Pocket Watch Database

From the American Horology Archive:

American Waltham Watch Co.

Grade: Riverside A

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 20166552 Question Mark
Grade: Riverside A Question Mark
Model: Colonial A Question Mark
Estimated Production Year: 1915 Question Mark
Run Quantity: 600 Question Mark
Grade/Model Run: 9 of 25 Question Mark
Grade/Model Total Production: 25,300 Question Mark
Size: 14s Question Mark
Jewels: 19j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: Bridge Plate Question Mark
Hairspring: Breguet Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 23019.G9.14S2453.M14.O14300.P8124.19J405 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.640 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
76.67 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
70.28 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.076% Question Mark
Registry Population:
Scoped for This Run Only
2 (0.33%) Question Mark
Research Note: Waltham Serial Ledgers designate this run as "Col. A."

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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 · August 5, 2018

Serial Number 20166488 was reported as accurate.

Changes since this report was submitted:
Size changed from 6/0 to 14
Factory Model changed from Ser.a to Colonial A

Anonymous · March 30, 2018

Serial Number 20166310 was reported as accurate.

Changes since this report was submitted:
Size changed from 6/0 to 14
Factory Model changed from Ser.a to Colonial A

Anonymous · February 17, 2016

Serial Number 20166183 was reported as accurate.

Changes since this report was submitted:
Size changed from Jewel Series to 14
Factory Model changed from Ser.a to Colonial A

Andyhowe 52 · October 22, 2015

Serial Number 20166314 was reported as accurate.

Changes since this report was submitted:
Size changed from Jewel Series to 14
Factory Model changed from Ser.a to Colonial A

Andyhowe 52 · October 22, 2015

Serial Number 20166314 was reported as accurate.

Changes since this report was submitted:
Size changed from Jewel Series to 14
Factory Model changed from Ser.a to Colonial A

Anonymous · November 18, 2014

Serial Number 20166442 was reported as accurate.

Changes since this report was submitted:
Size changed from Jewel Series to 14
Factory Model changed from Ser.a to Colonial A

Anonymous · October 12, 2014

Serial Number 20166442 was reported as accurate.

Changes since this report was submitted:
Size changed from Jewel Series to 14
Factory Model changed from Ser.a to Colonial A

DBank57 1 · August 4, 2014

Serial Number 20166558 was reported as accurate.

Changes since this report was submitted:
Size changed from Jewel Series to 14
Factory Model changed from Ser.a to Colonial A

Anonymous · August 4, 2014

Serial Number 20166558 was reported as accurate.

Changes since this report was submitted:
Size changed from Jewel Series to 14
Factory Model changed from Ser.a to Colonial A