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: 22071018 Question Mark
Grade: Riverside A Question Mark
Model: Colonial A Question Mark
Estimated Production Year: 1918 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 16 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
Regulator: Patent Question Mark
Hairspring: Breguet Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Adjusted # of Positions: 5 Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 23908.G16.14S2511.M21.O14856.P8968.19J425 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.479 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
76.17 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
69.31 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
10 (1.00%) Question Mark
Research Note: Waltham Serial Ledgers designate this run as Size 14, Model "C'lA" (Colonial 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.


Stevanio 19 · November 2, 2020

Serial Number 22071018 was reported as accurate.

Stevanio 19 · October 27, 2020

Serial Number 22071015 was reported as accurate.

Anonymous · July 11, 2020

Serial Number 22070618 was reported as accurate.

Anonymous · September 15, 2017

Serial Number 22071334 was reported as accurate.

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

Anonymous · January 28, 2017

Serial Number 22071275 was reported as accurate.

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

von1943 Supporter 376 · October 31, 2016

Serial Number 22071482 was reported as accurate.

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

von1943 Supporter 376 · October 31, 2016

Serial Number 22071482 was reported as accurate.

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

von1943 Supporter 376 · October 28, 2016

Serial Number 22071482 was reported as accurate.

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

Anonymous · December 25, 2015

Serial Number 22071493 was reported as accurate.

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

Rcaveney 2 · January 27, 2014

Serial Number 22070571 was reported as accurate.

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

WillersB 1 · November 3, 2013

Serial Number 22070810 was reported as accurate.

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

cmdraven 4083 · October 14, 2013

Serial Number 22071113 was reported as accurate.

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