Pocket Watch Database

From the American Horology Archive:
Hamilton Grade 961 Pocket Watch

Hamilton Watch Co.

Grade: 961

Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 51476
Grade: 961
Model: 4
Class: 1
Estimated Production Year: 1898
Run Quantity: 250
Grade/Model Run: 2 of 8
Grade/Model Total Production: 2,410
Size: 16s
Jewels: 21j
Jewel Material: Ruby & Sapphire
Jewel Setting: Gold Settings (Screw-Set)
Movement Configuration: Hunting
Movement Finish: Nickel
Movement Setting: Pendant
Plate: Bridge Plate
Bridge Type: Center
Train Material: Gold
Center Wheel Material: Gold
Regulator: Reed
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
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: 172.961G2.16S15.164M6.H82.P13.21J17
Database Version: v52.245
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
7.25
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
3.18
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.023%
Registry Population: 2 (0.80%)
Research Note: "Hamilton Finishing Records" designate this run as starting to be delivered to finishing department "6/24/25" (typo or bad transcription). Second date listed in 1/5/1901.

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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 13, 2020

Serial Number 51533 was reported as accurate.

Anonymous · July 19, 2019

Serial Number 51563 was reported as accurate.

Anonymous · July 17, 2018

Serial Number 51509 was reported as accurate.

Anonymous · July 5, 2018

Serial Number 51433 was reported as inaccurate.

Note: This one is positive pendant set and I seriously
doubt it was made in 1925. Probably more like
1898. Otherwise all accurate. Cheers. duffy l.
Changes since this report was submitted:
Movement Setting changed from Lever to Pendant

Anonymous · August 21, 2016

Serial Number 51485 was reported as inaccurate.

Note: lever set not pendant

Anonymous · August 15, 2016

Serial Number 51485 was reported as accurate.

Anonymous · August 7, 2016

Serial Number 51485 was reported as accurate.

Anonymous · February 12, 2016

Serial Number 51475 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · September 6, 2015

Serial Number 51433 was reported as inaccurate.

Note: movement setting is pendant

Anonymous · September 6, 2015

Serial Number 51433 was reported as accurate.

Anonymous · June 4, 2015

Serial Number 51629 was reported as accurate.

Hamilton Grade 961 Pocket Watch