Pocket Watch Database

From the American Horology Archive:
Hamilton Grade 970 Pocket Watch

Hamilton Watch Co.

Grade: 970

Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 310375
Grade: 970
Model: 1
Estimated Production Year: 1904
Run Quantity: 400
Grade/Model Run: 8 of 14
Grade/Model Total Production: 2,900
Size: 16s
Jewels: 21j
Jewel Material: Ruby & Sapphire
Jewel Setting: Gold Settings (Screw-Set)
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: 3/4 Plate
Double Roller: Yes
Barrel: Going
Regulator: Micrometric
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
Dial Feet Locations: 7.6, 21.8, 38.0, 50.5
Hamilton 16s Dial Feet Research
Data Research: 1953 Hamilton Serial List
Case: Various
Run ID: 686.970G8.16S238.161M209.O365.P179.21J142
Database Version: v52.245
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
8.73
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
3.83
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.027%
Registry Population: 12 (3.00%)

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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 · August 13, 2023

Serial Number 310149 was reported as accurate.

Loverhythm 1 · August 13, 2023

Serial Number 310149 was reported as accurate.

Loverhythm 1 · August 13, 2023

Serial Number 310149 was reported as accurate.

Anonymous · July 24, 2023

Serial Number 310350 was reported as accurate.

Anonymous · November 20, 2022

Serial Number 310070 was reported as accurate.

Anonymous · October 29, 2021

Serial Number 310354 was reported as accurate.

Anonymous · December 11, 2020

Serial Number 310225 was reported as accurate.

slufdriver 60 · November 2, 2020

Serial Number 310375 was reported as accurate.

tav396 44 · December 10, 2019

Serial Number 310327 was reported as accurate.

Anonymous · September 15, 2019

Serial Number 310375 was reported as inaccurate.

Note: All accurate, except no railroads allowed
pendant-set movements by 1903. Cheers duffy l.
Curator Response: Not true. A variety of railroads did not require lever set watches until wide adoption of standards c.1906.

Anonymous · August 21, 2017

Serial Number 310015 was reported as accurate.

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

rjandladyj 185 · March 19, 2016

Serial Number 310327 was reported as accurate.

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

Anonymous · March 27, 2015

Serial Number 310117 was reported as accurate.

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

Diopside 83 · January 15, 2014

Serial Number 310319 was reported as accurate.

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

Anonymous · March 4, 2013

Serial Number 310060 was reported as accurate.

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

Anonymous · February 28, 2013

Serial Number 310060 was reported as accurate.

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

Anonymous · June 27, 2012

Serial Number 310317 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from No to Yes
Hamilton Grade 970 Pocket Watch