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: 22208237
Grade: No. 645
Model: 1908
Estimated Production Year: 1918
Run Quantity: 1,000
Grade/Model Run: 63 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: 24038.G69.16S3531.161908M1091.O14947.L5483.21J517
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
177.55
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: 9 (0.90%)
$ Estimated Value (12 Month Change): -6.06% Analyzing 453 Sales

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

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.


23Greenwich Supporter 186 · July 1, 2021

Serial Number 22208421 was reported as accurate.

Anonymous · February 12, 2019

Serial Number 22208237 was reported as accurate.

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

Anonymous · October 26, 2016

Serial Number 22208333 was reported as accurate.

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

Anonymous · March 14, 2016

Serial Number 22208179 was reported as accurate.

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

Paulebrown 7 · June 6, 2014

Serial Number 22208179 was reported as accurate.

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

Anonymous · June 6, 2014

Serial Number 22208179 was reported as accurate.

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

Anonymous · May 29, 2014

Serial Number 22208179 was reported as accurate.

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

Anonymous · May 2, 2014

Serial Number 22208179 was reported as accurate.

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

Anonymous · May 2, 2014

Serial Number 22208179 was reported as accurate.

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

Anonymous · February 20, 2014

Serial Number 22208179 was reported as accurate.

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

Msw233 Supporter 89 · August 18, 2013

Serial Number 22208563 was reported as accurate.

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

Anonymous · January 26, 2013

Serial Number 22208563 was reported as inaccurate.

Note: true bridge, adjusted to 5 posistions
Changes since this report was submitted:
Plate changed from 3/4 to Bridge
Waltham Grade No. 645 Pocket Watch