Pocket Watch Database


From the American Horology Archive:
Waltham Grade No. 645 Pocket Watch Movement

American Waltham Watch Co.

Grade: No. 645

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 19108398
Grade: No. 645
Model: 1908
Estimated Production Year: 1913
Run Quantity: 500
Total Production: 59,300
Size: 16s
Jewels: 21j
Jewel Material: Ruby
Jewel Setting: Screw-Set
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: 3/4 Plate
Double Roller: Yes
Barrel: Jewelled Motor
Regulator: Micrometer
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
Data Research: 1954 Waltham "Gray Book" List

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Data Verification Reports

19108001
Verification Serial Map
19108500

Anonymous · November 14, 2018

Serial Number 19108030 was reported as accurate.

redjms 53 · October 31, 2014

Serial Number 19108398 was reported as accurate.

Anonymous · October 12, 2014

Serial Number 19108382 was reported as accurate.

Anonymous · September 25, 2014

Serial Number 19108382 was reported as accurate.

Waltham Grade No. 645 Pocket Watch Movement