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: 19088797
Grade: No. 645
Model: 1908
Estimated Production Year: 1913
Run Quantity: 1,000
Total Production: 59,300
Size: 16s
Jewels: 21j
Jewel Material: Ruby
Jewel Setting: Screw-Set
Movement Configuration: Openface
Movement Finish: Nickel
Movement Signing Style: Mixed
Movement Inlay Color: Black
Movement Setting: Lever
Plate: 3/4 Plate
Double Roller: Yes
Barrel: Jewelled Motor
Regulator: Ohlson 1908
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
Movement Markings: 645
A.W.W.Co.
Waltham, Mass.
21 Jewels
Adjusted
5 Positions
Data Research: 1954 Waltham "Gray Book" List

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Data Verification Reports

19088501
Verification Serial Map
19089500

Anonymous · April 2, 2020

Serial Number 19088942 was reported as accurate.

Anonymous · February 5, 2020

Serial Number 19089461 was reported as accurate.

Anonymous · December 14, 2016

Serial Number 19088996 was reported as accurate.

Anonymous · May 29, 2016

Serial Number 19089496 was reported as accurate.

Anonymous · February 2, 2015

Serial Number 19088645 was reported as accurate.

Anonymous · January 7, 2015

Serial Number 19089473 was reported as accurate.

Anonymous · August 22, 2014

Serial Number 19089081 was reported as accurate.

Anonymous · January 13, 2014

Serial Number 19088502 was reported as accurate.

kylielynn97 1 · January 9, 2014

Serial Number 19089441 was reported as accurate.

creak0 61 · July 11, 2013

Serial Number 19088792 was reported as accurate.

Anonymous · December 16, 2012

Serial Number 19089019 was reported as accurate.

Waltham Grade No. 645 Pocket Watch Movement