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
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 142280
Grade: 940
Model: 1
Estimated Production Year: 1901
Run Quantity: 1,000
Grade/Model Run: 14 of 121
Grade/Model Total Production: 210,596
Size: 18s
Jewels: 21j
Jewel Material: Ruby
Jewel Setting: Screw-Set
Movement Configuration: Openface
Movement Finish: Nickel
Finish Pattern: Damaskeened
Movement Inlay Color: Gilt
Movement Setting: Lever
Plate: Full Plate
Barrel: Going
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: 440.940G14.18S244.181M127.O232.L237.21J61
Database Version: v52.235
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
634.05
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: 22 (2.20%)
$ Estimated Value (12 Month Change): -0.40% Analyzing 2,342 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 · 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 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