Pocket Watch Database

From the American Horology Archive:
Hamilton Grade 938 Pocket Watch

Hamilton Watch Co.

Grade: 938

Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 44157
Grade: 938
Model: 1
Class: 1
Estimated Production Year: 1898
Run Quantity: 398
Grade/Model Run: 7 of 9
Grade/Model Total Production: 2,198
Size: 18s
Jewels: 17j
Jewel Material: Ruby & Sapphire
Jewel Setting: Gold Settings (Screw-Set)
Movement Configuration: Openface
Movement Finish: Nickel
Movement Inlay Color: Gilt
Movement Setting: Lever
Plate: Full Plate
Regulator: Goldthwait
Hairspring: Breguet
Pallet Jewel Material: Sapphire
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
Data Research: 1953 Hamilton Serial List
Case: Various
Run ID: 139.938G7.18S138.181M69.O69.L130.17J79
Database Version: v52.235
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
6.61
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
2.90
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.021%
Registry Population: 10 (2.51%)

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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 · December 8, 2023

Serial Number 44090 was reported as accurate.

Anonymous · April 1, 2023

Serial Number 44066 was reported as accurate.

GR8XK8P Supporter 4 · March 23, 2023

Serial Number 44066 was reported as accurate.

Anonymous · August 7, 2019

Serial Number 44222 was reported as accurate.

Gimparoo Supporter 703 · July 31, 2019

Serial Number 44049 was reported as accurate.

Anonymous · February 13, 2019

Serial Number 44049 was reported as accurate.

Gimparoo Supporter 703 · September 2, 2018

Serial Number 44157 was reported as accurate.

Anonymous · December 25, 2017

Serial Number 44387 was reported as accurate.

Anonymous · December 14, 2017

Serial Number 44262 was reported as accurate.

Anonymous · December 5, 2017

Serial Number 44262 was reported as accurate.

Anonymous · July 8, 2017

Serial Number 44387 was reported as accurate.

Lompoc805 1 · June 21, 2017

Serial Number 44261 was reported as accurate.

jacobwalls07 143 · February 9, 2017

Serial Number 44343 was reported as accurate.

Anonymous · September 10, 2016

Serial Number 44246 was reported as accurate.

Anonymous · May 10, 2016

Serial Number 44090 was reported as accurate.

Anonymous · January 27, 2015

Serial Number 44059 was reported as accurate.

Anonymous · November 13, 2014

Serial Number 44274 was reported as accurate.

Anonymous · July 20, 2014

Serial Number 44334 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · July 20, 2014

Serial Number 44293 was reported as accurate.

Norske 10 · February 26, 2014

Serial Number 44363 was reported as accurate.

Anonymous · February 21, 2014

Serial Number 44363 was reported as accurate.

Norske 10 · February 14, 2014

Serial Number 44363 was reported as accurate.

Anonymous · January 18, 2014

Serial Number 44119 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · January 4, 2014

Serial Number 44257 was reported as accurate.

Anonymous · June 25, 2013

Serial Number 44009 was reported as accurate.

Changes since this report was submitted:
Grade changed from 943 to 938
Jewels changed from 21j to 17j
Movement Configuration changed from Hunting to Openface
Factory Model changed from 2 to 1

Anonymous · March 29, 2013

Serial Number 44009 was reported as inaccurate.

Note: grade is 938
Changes since this report was submitted:
Grade changed from 943 to 938
Jewels changed from 21j to 17j
Movement Configuration changed from Hunting to Openface
Factory Model changed from 2 to 1
Plate changed from Unknown to Full

Anonymous · March 17, 2013

Serial Number 44050 was reported as inaccurate.

Note: grade 938 17 J open face
Changes since this report was submitted:
Grade changed from 943 to 938
Jewels changed from 21j to 17j
Movement Configuration changed from Hunting to Openface
Factory Model changed from 2 to 1
Plate changed from Unknown to Full

Anonymous · February 9, 2013

Serial Number 44009 was reported as inaccurate.

Note: 938 17J openface
Changes since this report was submitted:
Grade changed from 943 to 938
Jewels changed from 21j to 17j
Movement Configuration changed from Hunting to Openface
Factory Model changed from 2 to 1
Plate changed from Unknown to Full

Anonymous · June 9, 2012

Serial Number 44004 was reported as inaccurate.

Note: grade is 938
Changes since this report was submitted:
Grade changed from 943 to 938
Jewels changed from 21j to 17j
Movement Configuration changed from Hunting to Openface
Factory Model changed from 2 to 1
Plate changed from Unknown to Full

Anonymous · June 9, 2012

Serial Number 44004 was reported as accurate.

Changes since this report was submitted:
Grade changed from 943 to 938
Jewels changed from 21j to 17j
Movement Configuration changed from Hunting to Openface
Factory Model changed from 2 to 1
Hamilton Grade 938 Pocket Watch