Pocket Watch Database

From the American Horology Archive:
Waltham Grade No. 1420 Pocket Watch

American Waltham Watch Co.

Grade: No. 1420

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 22659974
Grade: No. 1420
Model: Colonial Series
Estimated Production Year: 1919
Run Quantity: 2,000
Grade/Model Run: 29 of 31
Grade/Model Total Production: 51,000
Size: 14s
Jewels: 15j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: 3/4 Split Plate
Regulator: Patent
Hairspring: Breguet
Adjusted: No
Railroad Grade: No
Case: Various
Run ID: 24234.G29.14S2530.M102.O15077.P9252.15J5699
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Database Version: v52.350
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
149.03
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
135.62
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.148%
Registry Population: 16 (0.80%)
Research Note: Waltham Serial Ledgers designate this run as "Col. Series No. 1420" (Colonial Series). Pillar plate measures as 14s while movement is based on the 12s Model 1894.

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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 · June 6, 2022

Serial Number 22660577 was reported as accurate.

Anonymous · July 14, 2020

Serial Number 22659020 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from Colonial A to Colonial Series

Anonymous · January 6, 2020

Serial Number 22659272 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from Colonial A to Colonial Series

Anonymous · October 23, 2019

Serial Number 22659855 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from Colonial A to Colonial Series

Anonymous · June 23, 2017

Serial Number 22660726 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from Colonial to Colonial Series

razorblade64 34 · July 20, 2015

Serial Number 22659842 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from Colonial to Colonial Series

Anonymous · March 15, 2015

Serial Number 22660709 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from Colonial to Colonial Series

Anonymous · February 18, 2015

Serial Number 22660343 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from Colonial to Colonial Series

Anonymous · April 26, 2013

Serial Number 22659544 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from Colonial to Colonial Series

Anonymous · March 15, 2013

Serial Number 22659544 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from Colonial to Colonial Series
Waltham Grade No. 1420 Pocket Watch