Pocket Watch Database

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

American Waltham Watch Co.

Grade: No. 645

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 22094056
Grade: No. 645
Model: 1908
Estimated Production Year: 1918
Run Quantity: 1,000
Grade/Model Run: 53 of 66
Grade/Model 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: Bridge Plate
Double Roller: Yes
Barrel: Jeweled 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
NAWCC Waltham Serial Digest
Case: Various
Run ID: 23935.G59.16S3501.161908M1061.O14883.L5469.21J504
Database Version: v52.235
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
178.54
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
162.47
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.177%
Registry Population: 16 (1.60%)
$ Estimated Value (12 Month Change): -3.13% Analyzing 454 Sales

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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 · March 1, 2022

Serial Number 22094558 was reported as accurate.

Anonymous · December 21, 2019

Serial Number 22094056 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · February 9, 2019

Serial Number 22094701 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · October 12, 2018

Serial Number 22094989 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · July 28, 2017

Serial Number 22094158 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · February 14, 2017

Serial Number 22094250 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

dwbsr 42 · July 5, 2014

Serial Number 22094326 was reported as inaccurate.

Note: This is LEVER set
Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes
Plate changed from 3/4 to Bridge

Anonymous · May 29, 2013

Serial Number 22094211 was reported as accurate.

Changes since this report was submitted:
Movement Setting changed from Pendant to Lever
Railroad Grade changed from No to Yes
Plate changed from 3/4 to Bridge
Waltham Grade No. 645 Pocket Watch