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Enter the serial number from the pocket watch movement below. Do not use the case number. Tips for looking up your watch

How to Find Info About Your Pocket Watch

The Pocket Watch Database has compiled data covering the major American pocket watch manufacturers and created an easy way to find information using the serial number on the watch movement. Here are a few tips to find information about your pocket watch:

  1. Always input the serial number from the pocket watch movement (the "mechanism" of the watch).
  2. Never use the serial number from the case or any other part.
  3. Always select the correct manufacturer, which is usually stamped on the watch movement or dial.
  4. If the manufacturer is not listed on the site, you may have a "private label" watch or it may not be American-made.
  5. If the serial number includes a letter, enter it along with the number when using the lookup feature.
  6. Many pocket watch case backs screw off. Others may require a dull wide blade to pry or pop the cover. Be careful not to scratch or damage the movement.
  7. Consider uploading images of your watch by creating a collection account on the website. This is compeltely free and assists in promoting research in American horology.
  8. Understand that many companies did not keep accurate or complete records. As a result, information displayed on this site may have inaccuracies. This is to be expected, and we have included an option to report inaccurate information on the result pages so the database can be continually improved.
Pocket Watch Serial Number Lookup - Hamilton, South Bend, Illinois, Rockford, Waltham & Elgin Pocket Watches
  Serial Number:
Need to replace a watch crystal? Use our new crystal size guide to find the proper fit.
Information Provided by PocketWatchDatabase.com: https://pocketwatchdatabase.com/search/result/hamilton/C6665

Grade: 992B

Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: C6665
Grade: 992B
Model: 5
Estimated Production Year: 1940
Run Quantity: 13,000
Total Production: 685,500
Size: 16s
Jewels: 21j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: 3/4 Plate
Adjusted: Yes
Adjusted # of Positions: 6
Adjusted to Temperature: Yes
Railroad Grade: Yes
Dial Feet Locations: 22.3, 38.0, 57.1
Hamilton 16s Dial Feet Research
Data Research: 1953 Hamilton Serial List
Help us improve the database: Does this info describe your movement accurately?
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Data Confidence Rating:

Verifications & Observations

C001
Verification Serial Map
C13000
  • May 30, 2020:
    Serial Number C2821 was reported as accurate
  • May 13, 2020:
    Serial Number C2914 was reported as accurate
  • February 21, 2020:
    Serial Number C886 was reported as accurate
  • February 20, 2020:
    Serial Number C5411 was reported as accurate
  • February 18, 2020:
    Serial Number C3839 was reported as accurate
  • February 5, 2020:
    Serial Number C9268 was reported as inaccurate
    Note: This particular watch has U. S. ARMY inscribed
    above name Hamilton on the barrel bridge.
    Everything else seems correct
  • February 4, 2020:
    Serial Number C4747 was reported as accurate
  • January 27, 2020:
    Serial Number C8959 was reported as inaccurate
    Note: Box says model 11 not model 5
    Curator Response: Thanks for the report. That model designation is for the case style, not the movement. https://pocketwatchdatabase.com/guide/company/hamilton/research/hamilton-railroad-case-models
  • January 21, 2020:
    Serial Number C10006 was reported as accurate
  • January 21, 2020:
    Serial Number C10055 was reported as accurate
  • January 21, 2020:
    Serial Number C2432 was reported as accurate
  • bubba70
    526
    January 14, 2020:
    Serial Number C10403 was reported as accurate
  • November 16, 2019:
    Serial Number C1 was reported as accurate
  • November 14, 2019:
    Serial Number C2968 was reported as accurate
  • November 2, 2019:
    Serial Number C6642 was reported as accurate
  • October 24, 2019:
    Serial Number C4904 was reported as accurate
  • BobinHSV
    6
    October 24, 2019:
    Serial Number C984 was reported as accurate
  • October 24, 2019:
    Serial Number C10125 was reported as accurate
  • rjmurton1964
    27
    October 22, 2019:
    Serial Number C3150 was reported as accurate
  • October 21, 2019:
    Serial Number C5402 was reported as accurate
  • cpm137
    11
    October 1, 2019:
    Serial Number C427 was reported as accurate
  • cpm137
    11
    October 1, 2019:
    Serial Number C1324 was reported as accurate
  • September 6, 2019:
    Serial Number C7855 was reported as accurate
  • jdcott
    3
    July 7, 2019:
    Serial Number C7260 was reported as accurate
  • Chris1177
    1
    June 25, 2019:
    Serial Number C3306 was reported as accurate
  • June 22, 2019:
    Serial Number C11068 was reported as accurate
  • May 5, 2019:
    Serial Number C4741 was reported as accurate
  • May 4, 2019:
    Serial Number C11993 was reported as accurate
  • April 10, 2019:
    Serial Number C4199 was reported as accurate
  • April 7, 2019:
    Serial Number C8091 was reported as accurate
  • April 6, 2019:
    Serial Number C3002 was reported as accurate
  • April 6, 2019:
    Serial Number C3002 was reported as accurate
  • March 6, 2019:
    Serial Number C9580 was reported as accurate
  • February 24, 2019:
    Serial Number C9580 was reported as accurate
  • February 24, 2019:
    Serial Number C1784 was reported as accurate
  • WLBelkriver33
    804
    January 26, 2019:
    Serial Number C4504 was reported as accurate
  • January 4, 2019:
    Serial Number C7659 was reported as accurate
  • January 4, 2019:
    Serial Number C788 was reported as accurate
  • January 3, 2019:
    Serial Number C7659 was reported as accurate
  • December 18, 2018:
    Serial Number C12284 was reported as accurate
  • WLBelkriver33
    804
    November 27, 2018:
    Serial Number C5361 was reported as accurate
  • November 22, 2018:
    Serial Number C5361 was reported as accurate
  • November 7, 2018:
    Serial Number C2609 was reported as accurate
  • November 3, 2018:
    Serial Number C7991 was reported as accurate
  • October 27, 2018:
    Serial Number C7767 was reported as accurate
  • October 11, 2018:
    Serial Number C6444 was reported as accurate
  • August 23, 2018:
    Serial Number C6664 was reported as accurate
  • July 24, 2018:
    Serial Number C4916 was reported as accurate
  • July 9, 2018:
    Serial Number C11012 was reported as accurate
  • May 12, 2018:
    Serial Number C1785 was reported as accurate
  • May 9, 2018:
    Serial Number C5232 was reported as accurate
  • May 7, 2018:
    Serial Number C10585 was reported as accurate
  • April 24, 2018:
    Serial Number C686 was reported as accurate
  • April 16, 2018:
    Serial Number C698 was reported as accurate
  • Dollins
    3
    April 9, 2018:
    Serial Number C7779 was reported as accurate
  • April 6, 2018:
    Serial Number C10703 was reported as accurate
  • April 5, 2018:
    Serial Number C9613 was reported as accurate
  • April 5, 2018:
    Serial Number C10703 was reported as accurate
  • April 2, 2018:
    Serial Number C8795 was reported as accurate
  • February 12, 2018:
    Serial Number C5157 was reported as accurate
  • February 10, 2018:
    Serial Number C5157 was reported as accurate
  • January 24, 2018:
    Serial Number C9568 was reported as accurate
  • December 11, 2017:
    Serial Number C8881 was reported as accurate
  • hommer
    28
    November 30, 2017:
    Serial Number C6829 was reported as accurate
  • September 18, 2017:
    Serial Number C5613 was reported as accurate
  • September 15, 2017:
    Serial Number C3008 was reported as accurate
  • r72gsaol
    31
    August 23, 2017:
    Serial Number C3095 was reported as accurate
  • August 6, 2017:
    Serial Number C1985 was reported as accurate
  • July 27, 2017:
    Serial Number C7625 was reported as accurate
  • July 26, 2017:
    Serial Number C7625 was reported as accurate
  • May 24, 2017:
    Serial Number C4139 was reported as accurate
  • May 17, 2017:
    Serial Number C2406 was reported as accurate
  • April 27, 2017:
    Serial Number C10953 was reported as accurate
  • jhkunkel
    38
    March 14, 2017:
    Serial Number C718 was reported as accurate
  • jhkunkel
    38
    March 14, 2017:
    Serial Number C718 was reported as accurate
  • jhkunkel
    38
    March 14, 2017:
    Serial Number C718 was reported as accurate
  • January 27, 2017:
    Serial Number C9309 was reported as accurate
  • January 26, 2017:
    Serial Number C7774 was reported as accurate
  • Jeffrey064
    29
    January 4, 2017:
    Serial Number C6797 was reported as accurate
  • elkhorn
    13
    November 27, 2016:
    Serial Number C4227 was reported as accurate
  • November 21, 2016:
    Serial Number C987 was reported as accurate
  • November 16, 2016:
    Serial Number C2736 was reported as accurate
  • October 23, 2016:
    Serial Number C6432 was reported as accurate
  • ncplumber
    150
    October 21, 2016:
    Serial Number C1526 was reported as accurate
  • October 3, 2016:
    Serial Number C11662 was reported as accurate
  • October 3, 2016:
    Serial Number C10055 was reported as accurate
  • October 3, 2016:
    Serial Number C692 was reported as accurate
  • mugger
    4
    September 29, 2016:
    Serial Number C698 was reported as accurate
  • September 16, 2016:
    Serial Number C1119 was reported as accurate
  • September 9, 2016:
    Serial Number C3321 was reported as accurate
  • oldmanjohnson
    3
    August 6, 2016:
    Serial Number C6910 was reported as accurate
  • August 3, 2016:
    Serial Number C8324 was reported as accurate
  • June 28, 2016:
    Serial Number C692 was reported as accurate
  • simonwolfe
    5
    May 19, 2016:
    Serial Number C8609 was reported as accurate
  • April 25, 2016:
    Serial Number C698 was reported as accurate
  • April 24, 2016:
    Serial Number C1256 was reported as accurate
  • ThunderCVR
    1
    April 13, 2016:
    Serial Number C10838 was reported as accurate
  • April 8, 2016:
    Serial Number C806 was reported as accurate
  • April 8, 2016:
    Serial Number C806 was reported as accurate
  • April 1, 2016:
    Serial Number C2322 was reported as accurate
  • March 30, 2016:
    Serial Number C6797 was reported as accurate
  • March 30, 2016:
    Serial Number C6797 was reported as accurate
  • March 16, 2016:
    Serial Number C698 was reported as accurate
  • March 12, 2016:
    Serial Number C1162 was reported as accurate
  • February 23, 2016:
    Serial Number C6582 was reported as accurate
  • February 13, 2016:
    Serial Number C6797 was reported as accurate
  • February 6, 2016:
    Serial Number C11520 was reported as accurate
  • February 1, 2016:
    Serial Number C698 was reported as accurate
  • December 6, 2015:
    Serial Number C3547 was reported as accurate
  • November 29, 2015:
    Serial Number C6707 was reported as accurate
  • September 19, 2015:
    Serial Number C1135 was reported as accurate
  • jdcott
    3
    September 13, 2015:
    Serial Number C7260 was reported as accurate
  • September 12, 2015:
    Serial Number C692 was reported as accurate
  • Gasperoff
    726
    August 24, 2015:
    Serial Number C7430 was reported as accurate
  • August 21, 2015:
    Serial Number C4848 was reported as accurate
  • August 21, 2015:
    Serial Number C4848 was reported as accurate
  • August 20, 2015:
    Serial Number C11946 was reported as accurate
  • August 20, 2015:
    Serial Number C452 was reported as accurate
  • Gasperoff
    726
    August 15, 2015:
    Serial Number C7430 was reported as accurate
  • August 10, 2015:
    Serial Number C4848 was reported as accurate
  • August 5, 2015:
    Serial Number C4848 was reported as accurate
  • July 25, 2015:
    Serial Number C8459 was reported as accurate
  • July 14, 2015:
    Serial Number C10357 was reported as accurate
  • Watchnut
    6
    April 11, 2015:
    Serial Number C4644 was reported as accurate
  • Watchnut
    6
    April 11, 2015:
    Serial Number C4644 was reported as accurate
  • Watchnut
    6
    April 11, 2015:
    Serial Number C4644 was reported as accurate
  • March 15, 2015:
    Serial Number C698 was reported as accurate
  • Gasperoff
    726
    February 21, 2015:
    Serial Number C7179 was reported as accurate
  • February 20, 2015:
    Serial Number C9978 was reported as accurate
  • Gasperoff
    726
    February 16, 2015:
    Serial Number C7179 was reported as accurate
  • Gasperoff
    726
    February 11, 2015:
    Serial Number C7179 was reported as accurate
  • February 3, 2015:
    Serial Number C11444 was reported as accurate
  • January 29, 2015:
    Serial Number C1840 was reported as accurate
  • January 28, 2015:
    Serial Number C6190 was reported as accurate
  • January 1, 2015:
    Serial Number C698 was reported as accurate
  • December 10, 2014:
    Serial Number C4613 was reported as accurate
  • December 10, 2014:
    Serial Number C9309 was reported as accurate
  • December 5, 2014:
    Serial Number C10832 was reported as accurate
  • November 19, 2014:
    Serial Number C9247 was reported as accurate
  • philsan1a
    221
    November 17, 2014:
    Serial Number C9247 was reported as accurate
  • August 8, 2014:
    Serial Number C698 was reported as accurate
  • August 8, 2014:
    Serial Number C698 was reported as accurate
  • July 3, 2014:
    Serial Number C5844 was reported as accurate
  • July 3, 2014:
    Serial Number C1916 was reported as inaccurate
    Note: pocket watch..inspription says from mother and
    father..Christmas 1919
    23 jewels,,14 k gold..landcaster, la
    # 6596783 ???
    # 1921652= movement ??
    2-3371????
    c-9616 ???
    li02776 ????
    cip32 ????
    cbip32 ???
    2-3371-6-9618 ????

  • June 30, 2014:
    Serial Number C8905 was reported as accurate
  • June 22, 2014:
    Serial Number C698 was reported as accurate
  • mugger
    4
    June 8, 2014:
    Serial Number C698 was reported as accurate
  • June 8, 2014:
    Serial Number C698 was reported as accurate
  • wfcsoftball
    105
    May 18, 2014:
    Serial Number C3472 was reported as accurate
  • May 18, 2014:
    Serial Number C698 was reported as accurate
  • April 15, 2014:
    Serial Number C3159 was reported as accurate
  • March 30, 2014:
    Serial Number C5232 was reported as accurate
  • March 23, 2014:
    Serial Number C010 was reported as accurate
  • rocket00
    236
    February 1, 2014:
    Serial Number C1436 was reported as accurate
  • January 15, 2014:
    Serial Number C10166 was reported as accurate
  • January 5, 2014:
    Serial Number C3752 was reported as accurate
  • December 28, 2013:
    Serial Number C3749 was reported as accurate
  • December 26, 2013:
    Serial Number C7384 was reported as accurate
  • soverby
    1
    December 22, 2013:
    Serial Number C10523 was reported as accurate
  • December 22, 2013:
    Serial Number C10523 was reported as accurate
  • December 15, 2013:
    Serial Number C1360 was reported as accurate
  • cmdraven
    2756
    November 13, 2013:
    Serial Number C10901 was reported as accurate
  • mr7841
    22
    November 11, 2013:
    Serial Number C11514 was reported as accurate
  • mr7841
    22
    November 11, 2013:
    Serial Number C1426 was reported as accurate
  • October 28, 2013:
    Serial Number C1376 was reported as accurate
  • October 28, 2013:
    Serial Number C8757 was reported as accurate
  • October 21, 2013:
    Serial Number C12690 was reported as accurate
  • August 15, 2013:
    Serial Number C8285 was reported as accurate
  • tony777
    2
    July 26, 2013:
    Serial Number C2217 was reported as accurate
  • July 26, 2013:
    Serial Number C2217 was reported as accurate
  • July 7, 2013:
    Serial Number C9811 was reported as accurate
  • June 27, 2013:
    Serial Number C6432 was reported as accurate
  • June 26, 2013:
    Serial Number C11732 was reported as accurate
  • June 16, 2013:
    Serial Number C3427 was reported as inaccurate
    No further details were submitted with the report.
    Changes since this report was submitted:
    Plate changed from Unknown to 3/4
  • April 30, 2013:
    Serial Number C3520 was reported as accurate
  • April 26, 2013:
    Serial Number C1840 was reported as accurate
  • April 1, 2013:
    Serial Number C4852 was reported as accurate
  • March 29, 2013:
    Serial Number C11457 was reported as accurate
  • March 15, 2013:
    Serial Number C5158 was reported as accurate
  • March 11, 2013:
    Serial Number C6369 was reported as accurate
  • February 23, 2013:
    Serial Number C2269 was reported as accurate
  • February 7, 2013:
    Serial Number C698 was reported as accurate
  • January 19, 2013:
    Serial Number C5984 was reported as accurate
  • December 20, 2012:
    Serial Number C9463 was reported as accurate
  • June 14, 2012:
    Serial Number C1310 was reported as accurate
  • May 30, 2012:
    Serial Number C11432 was reported as accurate
  • May 20, 2012:
    Serial Number C12000 was reported as accurate
  • April 27, 2012:
    Serial Number C10594 was reported as accurate
1