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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/hamilton/835675
Access Date: October 06, 2022
From the American Horology Archive:
Hamilton Grade 990 Pocket Watch
Hamilton Watch Co.

Grade: 990

Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 835675
Grade: 990
Model: 1
Estimated Production Year: 1911
Run Quantity: 200
Total Production: 12,599
Size: 16s
Jewels: 21j
Jewel Material: Ruby & Sapphire
Jewel Setting: Gold Settings (Screw-Set)
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: 3/4 Plate
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
Database Version: v48.508
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Data Verification Reports

835601
Verification Serial Map
835800

Anonymous · December 14, 2019

Serial Number 835735 was reported as accurate.

Anonymous · November 15, 2015

Serial Number 835675 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from Yes to No
Hamilton Grade 990 Pocket Watch
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