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: 22183394
Grade: No. 645
Model: 1908
Estimated Production Year: 1918
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 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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Does this information describe your movement accurately?

Data Verification Reports

22183001
Verification Serial Map
22184000

Anonymous · January 13, 2020

Serial Number 22183038 was reported as accurate.

Anonymous · November 12, 2019

Serial Number 22183866 was reported as accurate.

robkirk1 1 · June 29, 2018

Serial Number 22183849 was reported as accurate.

Anonymous · May 20, 2017

Serial Number 22183005 was reported as accurate.

Anonymous · April 15, 2017

Serial Number 22183549 was reported as accurate.

Anonymous · March 15, 2016

Serial Number 22183604 was reported as accurate.

Anonymous · February 25, 2016

Serial Number 22183303 was reported as accurate.

Anonymous · March 3, 2015

Serial Number 22183932 was reported as accurate.

kenlmitchell 7 · January 22, 2015

Serial Number 22183394 was reported as accurate.

quadcitycoin 43 · November 26, 2014

Serial Number 22183634 was reported as accurate.

Anonymous · October 17, 2014

Serial Number 22183889 was reported as accurate.

Anonymous · April 27, 2014

Serial Number 22183735 was reported as inaccurate.

Note: Mistake on the last report,it is lever set.Sorry
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes

Anonymous · April 27, 2014

Serial Number 22183735 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes

Anonymous · March 22, 2014

Serial Number 22183510 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes

Anonymous · March 7, 2014

Serial Number 22183963 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes

mcsperitt 1 · August 25, 2013

Serial Number 22183381 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes

Anonymous · March 17, 2013

Serial Number 22183385 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes

Anonymous · March 14, 2013

Serial Number 22183385 was reported as inaccurate.

Note: 5 Positions and the 645 is a Railroad Grade
movement.
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes
Waltham Grade No. 645 Pocket Watch Movement