Pocket Watch Database


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

Hamilton Watch Co.

Grade: 940

Private Label(s) in Run:

B&O Railroad Special

What is a Private Label?
Manufacturer: Hamilton Question Mark
Manufacturer Location: Lancaster, Pennsylvania Question Mark
Movement Serial Number: 142280 Question Mark
Grade: 940 Question Mark
Model: 1 Question Mark
Estimated Production Year: 1901 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 14 of 121 Question Mark
Grade/Model Total Production: 210,596 Question Mark
Size: 18s Question Mark
Jewels: 21j Question Mark
Jewel Material: Ruby Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Finish Pattern: Damaskeened Question Mark
Movement Inlay Color: Gilt Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Barrel: Going Question Mark
Regulator: Goldthwait Question Mark
Hairspring: Breguet Question Mark
Standard Dial Type: Double-Sunk Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Adjusted # of Positions: 5 Question Mark
Adjusted to Temperature: Yes Question Mark
Adjusted to Isochronism: Yes Question Mark
Railroad Grade: Yes Question Mark
Railroad Grade Classification: Class A Question Mark
Dial Feet Locations: 2.6, 18.0, 38.2 Question Mark
U.S. Patents: 832672, 427072 Question Mark
Case: Various Question Mark
Run ID: 440.940G14.18S244.181M127.O232.L237.21J61 Question Mark
Data Research: 1953 Hamilton Serial List
Question Mark
Database Version: v52.433 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
634.05 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
278.20 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
1.976% Question Mark
Registry Population:
Scoped for This Run Only
22 (2.20%) Question Mark
$ Estimated Value (12 Month Change): -3.50% Analyzing 2,397 Sales Question Mark
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 · July 29, 2022

Serial Number 142846 was reported as accurate.

Anonymous · January 4, 2021

Serial Number 142247 was reported as accurate.

Anonymous · July 4, 2020

Serial Number 142885 was reported as accurate.

Anonymous · April 8, 2020

Serial Number 142471 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · March 6, 2020

Serial Number 142542 was reported as accurate.

Anonymous · September 30, 2019

Serial Number 142584 was reported as accurate.

Anonymous · September 3, 2017

Serial Number 142331 was reported as accurate.

Anonymous · April 12, 2017

Serial Number 142233 was reported as accurate.

Grizzy Supporter 9 · December 14, 2016

Serial Number 142280 was reported as accurate.

pkjelpaso 13 · July 30, 2016

Serial Number 142020 was reported as inaccurate.

Note: B&O Railroad Special - written where Hamilton
is usually on a 21 jewel model 940 18 size watch.

Anonymous · July 19, 2016

Serial Number 142020 was reported as accurate.

Anonymous · August 25, 2015

Serial Number 142324 was reported as accurate.

Anonymous · May 16, 2015

Serial Number 142885 was reported as accurate.

Anonymous · October 16, 2014

Serial Number 142936 was reported as accurate.

Anonymous · June 29, 2014

Serial Number 142654 was reported as accurate.

Anonymous · May 14, 2014

Serial Number 142812 was reported as accurate.

Anonymous · May 14, 2014

Serial Number 142812 was reported as accurate.

Anonymous · April 28, 2014

Serial Number 142657 was reported as accurate.

Anonymous · April 9, 2014

Serial Number 142657 was reported as accurate.

Anonymous · December 31, 2012

Serial Number 142334 was reported as accurate.

Anonymous · December 8, 2012

Serial Number 142226 was reported as accurate.

Anonymous · July 18, 2012

Serial Number 142791 was reported as accurate.

Hamilton Grade 940 Pocket Watch
Hamilton Grade 940 Pocket Watch