Pocket Watch Database

From the American Horology Archive:
Hamilton Grade 920 Pocket Watch

Hamilton Watch Co.

Grade: 920

Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 1769855
Grade: 920
Model: 1
Estimated Production Year: 1916
Run Quantity: 1,000
Grade/Model Run: 2 of 15
Grade/Model Total Production: 14,600
Size: 12s
Jewels: 23j
Jewel Material: Ruby or Ruby & Sapphire
Jewel Setting: Gold Settings (Screw-Set)
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: Bridge Plate
Balance Type: Compensation
Train Material: Gold
Center Wheel Material: Gold
Regulator: Reed
Hairspring: Breguet
Pallet Jewel Material: Sapphire
Adjusted: Yes
Adjusted to Position: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Railroad Grade: No
Dial Feet Locations: 10.5, 38.5, 56.0
Data Research: 1953 Hamilton Serial List
Case: Various
Run ID: 2062.920G2.12S6.121M6.O1465.P552.23J41
Database Version: v52.245
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
43.95
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
19.28
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.137%
Registry Population: 13 (1.30%)
$ Estimated Value (12 Month Change): -8.87% Analyzing 71 Sales
Research Note:

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 · February 14, 2023

Serial Number 1769809 was reported as accurate.

Anonymous · March 3, 2022

Serial Number 1769495 was reported as accurate.

Anonymous · June 14, 2020

Serial Number 1769270 was reported as accurate.

Anonymous · March 25, 2018

Serial Number 1769929 was reported as accurate.

ncplumber 150 · August 11, 2016

Serial Number 1769606 was reported as accurate.

bpricepdm 1 · August 16, 2015

Serial Number 1769898 was reported as accurate.

Anonymous · August 16, 2015

Serial Number 1769898 was reported as accurate.

Anonymous · September 25, 2014

Serial Number 1769976 was reported as accurate.

Anonymous · July 19, 2014

Serial Number 1769091 was reported as accurate.

Anonymous · July 5, 2014

Serial Number 1769609 was reported as accurate.

Anonymous · June 25, 2013

Serial Number 1769379 was reported as accurate.

Hamilton Grade 920 Pocket Watch