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: 22138294
Grade: No. 645
Model: 1908
Estimated Production Year: 1918
Run Quantity: 700
Grade/Model Run: 56 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: 23983.G62.16S3517.161908M1077.O14913.L5473.21J510
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: 8 (1.14%)
$ 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.


Anonymous · October 15, 2023

Serial Number 22138202 was reported as accurate.

Anonymous · October 10, 2021

Serial Number 22138049 was reported as accurate.

Mobilaero Top Contributor Supporter 291 · July 16, 2020

Serial Number 22138294 was reported as accurate.

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

Anonymous · March 13, 2016

Serial Number 22138078 was reported as accurate.

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

Anonymous · October 16, 2015

Serial Number 22138078 was reported as accurate.

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

Anonymous · December 30, 2014

Serial Number 22138093 was reported as accurate.

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

Anonymous · October 7, 2014

Serial Number 22138295 was reported as accurate.

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

Anonymous · February 12, 2014

Serial Number 22137825 was reported as accurate.

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

Anonymous · November 13, 2013

Serial Number 22138118 was reported as accurate.

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

Anonymous · November 7, 2013

Serial Number 22138118 was reported as accurate.

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

Anonymous · November 7, 2013

Serial Number 22138118 was reported as accurate.

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

Anonymous · June 26, 2013

Serial Number 22138118 was reported as accurate.

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

Anonymous · June 26, 2013

Serial Number 22138118 was reported as accurate.

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

Anonymous · May 30, 2013

Serial Number 22138118 was reported as accurate.

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

Anonymous · January 28, 2013

Serial Number 22138104 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge
Waltham Grade No. 645 Pocket Watch