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: 14844533
Grade: No. 1420
Model: Colonial Series
Estimated Production Year: 1907
Run Quantity: 2,000
Grade/Model Run: 6 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
Hairspring: Breguet
Adjusted: No
Railroad Grade: No
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 19661.G6.14S2248.M15.O12364.P5304.15J4578
Database Version: v52.245
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: 8 (0.40%)
Research Note: Waltham Serial Ledgers designate this run as "Col. Ser." (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 · January 15, 2021

Serial Number 14843949 was reported as accurate.

Rcardkidz 3459 · August 2, 2019

Serial Number 14844151 was reported as accurate.

Changes since this report was submitted:
Size changed from 12 to 14
Factory Model changed from Colonial to Colonial Series

ralph1 106 · July 12, 2019

Serial Number 14843424 was reported as accurate.

Changes since this report was submitted:
Size changed from 12 to 14
Factory Model changed from Colonial to Colonial Series

ralph1 106 · July 12, 2019

Serial Number 14843424 was reported as accurate.

Changes since this report was submitted:
Size changed from 12 to 14
Factory Model changed from Colonial to Colonial Series

Rcardkidz 3459 · June 5, 2019

Serial Number 14843470 was reported as accurate.

Changes since this report was submitted:
Size changed from 12 to 14
Factory Model changed from Colonial to Colonial Series

Anonymous · February 21, 2019

Serial Number 14844681 was reported as accurate.

Changes since this report was submitted:
Size changed from 12 to 14
Factory Model changed from Colonial to Colonial Series

Anonymous · January 2, 2019

Serial Number 14843972 was reported as accurate.

Changes since this report was submitted:
Size changed from 12 to 14
Factory Model changed from Colonial to Colonial Series

Anonymous · April 6, 2017

Serial Number 14844326 was reported as accurate.

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

Anonymous · February 7, 2016

Serial Number 14843187 was reported as inaccurate.

Note: 15 jewels on movement
Changes since this report was submitted:
Size changed from Unknown to 14
Jewels changed from 17j to 15j
Factory Model changed from Ser. to Colonial Series
Plate changed from Unknown to 3/4 Split

docbrown 3 · February 26, 2014

Serial Number 14843602 was reported as inaccurate.

Note: works inscribed 17 jewels
Changes since this report was submitted:
Factory Model changed from Ser. to Colonial Series
Plate changed from Unknown to 3/4 Split
Waltham Grade No. 1420 Pocket Watch