Pocket Watch Database

From the American Horology Archive:
Hamilton Grade 940 Pocket Watch
Hamilton Grade 940 Pocket Watch

Hamilton Watch Co.

Grade: 940

Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 1448144
Grade: 940
Model: 1
Estimated Production Year: 1928
Run Quantity: 1,200
Grade/Model Run: 121 of 121
Grade/Model Total Production: 210,596
Size: 18s
Jewels: 21j
Jewel Material: Ruby
Jewel Setting: Gold Settings (Screw-Set)
Movement Configuration: Openface
Movement Finish: Nickel
Finish Pattern: Damaskeened
Movement Inlay Color: Gilt
Movement Setting: Lever
Plate: Full Plate
Double Roller: Yes
Barrel: Motor
Regulator: Goldthwait
Hairspring: Breguet
Standard Dial Type: Double-Sunk
Adjusted: Yes
Adjusted to Position: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Railroad Grade: Yes
Railroad Grade Classification: Class A
Dial Feet Locations: 2.6, 18.0, 38.2
U.S. Patents: 832672, 427072
Data Research: 1953 Hamilton Serial List
Case: Various
Run ID: 1885.940G121.18S743.181M488.O1308.L1235.21J545
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
630.54
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
278.20
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
1.976%
Registry Population: 15 (1.25%)
$ Estimated Value (12 Month Change): 2.06% Analyzing 2,336 Sales
Research Note: Gilt Lettering

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

Verification Reports for this Run

The following reports have been graciously submitted by dedicated members in reference to this production run. These reports are useful to verify data and track inaccuracies that require further research. Please note that reports may contain inaccurate information or assumptions that must be dilligently considered with other available sources.


Anonymous · August 10, 2022

Serial Number 1447541 was reported as accurate.

Huggs3 Supporter 143 · November 15, 2021

Serial Number 1447594 was reported as accurate.

Anonymous · April 13, 2021

Serial Number 1448072 was reported as accurate.

rjandladyj 183 · September 19, 2020

Serial Number 1447682 was reported as inaccurate.

Note: The Hamilton Production Records state this watch
as being mfg.
in 1927. Other than the date as shown here 1924.
Curator Response: According to factory records, this run was finished between 1924 and 1927, still within the +/- 3 years tolerance specified in the lookup table. The run started being delivered to the finishing department in October 1924.

Anonymous · September 5, 2020

Serial Number 1447556 was reported as accurate.

bjeans01 Supporter 54 · August 6, 2020

Serial Number 1447115 was reported as inaccurate.

Note: THIS IS A 940, 21J, BUT IT HAS A MARKED WEEM'S
PAT. DIAL AND AN "ADJUSTABLE ROTATING SECONDS DIAL
!!!!!!! NEVER SEEN NOR HEARD OF ANOTHER ONE.
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Anonymous · January 24, 2020

Serial Number 1448182 was reported as accurate.

Anonymous · December 8, 2019

Serial Number 1447195 was reported as accurate.

Anonymous · December 7, 2019

Serial Number 1447195 was reported as accurate.

Anonymous · November 13, 2018

Serial Number 1447945 was reported as accurate.

Anonymous · October 17, 2017

Serial Number 1448182 was reported as accurate.

Anonymous · October 5, 2017

Serial Number 1448182 was reported as accurate.

Anonymous · April 29, 2017

Serial Number 1447915 was reported as accurate.

TMMCCOY 1 · April 22, 2017

Serial Number 1447915 was reported as inaccurate.

No further details were submitted with the report.

rjandladyj 183 · December 10, 2016

Serial Number 1447418 was reported as accurate.

Anonymous · December 6, 2016

Serial Number 1447682 was reported as accurate.

Anonymous · June 28, 2016

Serial Number 1447827 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

DC1980 1 · June 14, 2015

Serial Number 1447800 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · March 26, 2015

Serial Number 1447219 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes

Anonymous · October 2, 2012

Serial Number 1448133 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes
Hamilton Grade 940 Pocket Watch
Hamilton Grade 940 Pocket Watch