Hamilton Pocket Watch: Serial Number 688018 (Grade 946)

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1905 Hamilton 946 18s 23j GF OF Railroad Grade Pocket Watch C837

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1908 HAMILTON 946 23 jewels, 18s POCKET WATCH DISPLAY CLEAR BACK CASE VIDEO HERE

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/hamilton/688018

Access Date: May 12, 2025

From the American Horology Archive:

Hamilton Watch Co.

Grade: 946

Manufacturer:	Hamilton
Manufacturer Location:	Lancaster, Pennsylvania
Movement Serial Number:	688018
Grade:	946
Model:	1
Estimated Production Year:	Login to View for Free
Run Quantity:	Login to View for Free
Grade/Model Run:	Login to View for Free
Grade/Model Total Production:	Login to View for Free
Size:	18s
Jewels:	23j
Jewel Material:	Login to View for Free
Jewel Setting:	Login to View for Free
Movement Configuration:	Openface
Movement Finish:	Nickel
Movement Inlay Color:	Login to View for Free
Movement Setting:	Lever
Plate:	Full Plate
Barrel:	Patent Motor
Regulator:	Login to View for Free
Hairspring:	Login to View for Free
Pallet Jewel Material:	Sapphire
Standard Dial Type:	Login to View for Free
Adjusted:	Yes
Adjusted to Position:	Yes
Adjusted # of Positions:	5
Adjusted to Temperature:	Yes
Adjusted to Isochronism:	Yes
Railroad Grade:	Login to View for Free
U.S. Patents:	Login to View for Free
Dial Feet Locations:	Login to View for Free
Case:	Various
Run ID:	1114.946G13.18S663.181M418.O668.L750.23J13
Data Research:	1953 Hamilton Serial List
Database Version:	v52.645
Advanced Metrics
Members Only Data. Login or create a free account to unlock.
Registry Population: Scoped for This Run Only	37 (3.70%)
$ Estimated Value (12 Month Change):	18.81% Analyzing 141 Sales

13 Additional Member-Only Data Points Available

The following information is unlocked with a free account:

Estimated Production Year, Run Quantity, Grade/Model Run, Grade/Model Total Production, Jewel Material, Jewel Setting, Movement Inlay Color, Regulator Type, Hairspring, Standard Dial Type, Railroad Grade Designation, U.S. Patents, Dial Feet Locations

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 37 watches in the population registry for this run with 3 images. Create a FREE account or login to view the population registry and add your watch to the registry. Create a Free Account

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Why Might This Information Be Incorrect?

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.

SleepyDoggieDog 48 · October 30, 2022

Serial Number 688819 was reported as accurate.

tick2tock Supporter 1 · April 4, 2022

Serial Number 688014 was reported as inaccurate.

Note: My hamilton, serial #688014 is marked 21 jewels,
not 23jewel.
Also shows grade 940, not 946

Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

GT350me 30 · March 30, 2021

Serial Number 688157 was reported as accurate.

Anonymous · March 12, 2021

Serial Number 688417 was reported as accurate.

slufdriver 60 · November 2, 2020

Serial Number 688109 was reported as accurate.

bunnofnickle 67 · August 2, 2020

Serial Number 688394 was reported as accurate.

Anonymous · June 12, 2020

Serial Number 688062 was reported as accurate.

Anonymous · February 2, 2020

Serial Number 688134 was reported as accurate.

Anonymous · August 22, 2019

Serial Number 688102 was reported as accurate.

Anonymous · June 5, 2019

Serial Number 688679 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · June 3, 2019

Serial Number 688109 was reported as accurate.

bubba70 543 · June 3, 2019

Serial Number 688109 was reported as accurate.

Anonymous · July 12, 2018

Serial Number 688152 was reported as accurate.

Anonymous · July 11, 2018

Serial Number 688152 was reported as inaccurate.

Note: Serial number 688152 Hamilton, is grade 940, and
21 Jewels.

Curator Response: Thanks for the report. The serial number for the watch you are referencing is not #688152, but rather #686152, which correctly corresponds to Grade 940. [eBay #401563407362, Reviewed Images]