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: 22280357 Question Mark
Grade: Riverside A Question Mark
Model: Colonial A Question Mark
Estimated Production Year: 1918 Question Mark
Run Quantity: 800 Question Mark
Grade/Model Run: 1 of 5 Question Mark
Grade/Model Total Production: 5,800 Question Mark
Size: 10s Question Mark
Jewels: 19j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant 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: 24100.G17.10S645.M2.O14973.P9125.19J442 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.518 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
17.46 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
15.89 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.017% Question Mark
Registry Population:
Scoped for This Run Only
13 (1.63%) Question Mark
Research Note: Waltham Serial Ledgers designate this run as Size 10, Model "C'lA" (Colonial A).

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.


JerryT Waltham Expert Small Watch Expert 425 · September 26, 2021

Serial Number 22280743 was reported as accurate.

Anonymous · April 28, 2020

Serial Number 22280641 was reported as accurate.

Fretrocker 43 · February 29, 2020

Serial Number 22280729 was reported as accurate.

Rcardkidz 4123 · January 13, 2020

Serial Number 22280652 was reported as accurate.

mingyang951014 2 · October 26, 2018

Serial Number 22280531 was reported as accurate.

Changes since this report was submitted:
Size changed from 10l to 10
Factory Model changed from L-10 to Colonial A

Anonymous · October 15, 2017

Serial Number 22280503 was reported as accurate.

Changes since this report was submitted:
Size changed from 10l to 10
Factory Model changed from L-10 to Colonial A

wndswept 202 · September 21, 2015

Serial Number 22280304 was reported as inaccurate.

Note: adjusted to 5 positions
Changes since this report was submitted:
Factory Model changed from L-10 to Colonial A

Anonymous · September 5, 2015

Serial Number 22280870 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from L-10 to Colonial A

Anonymous · February 22, 2015

Serial Number 22280588 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from L-10 to Colonial A

cmdraven 4083 · January 18, 2014

Serial Number 22280665 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from L-10 to Colonial A

cmdraven 4083 · January 16, 2014

Serial Number 22280701 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from L-10 to Colonial A