Pocket Watch Database


From the American Horology Archive:

American Waltham Watch Co.

Grade: Maximus A

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 26296463 Question Mark
Grade: Maximus A Question Mark
Model: Colonial A Question Mark
Estimated Production Year: 1927 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 3 of 3 Question Mark
Grade/Model Total Production: 2,200 Question Mark
Size: 10s Question Mark
Jewels: 23j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant 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: 25027.G10.10S651.M8.O15532.P9980.23J328 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.528 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
6.62 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
6.02 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.007% Question Mark
Registry Population:
Scoped for This Run Only
12 (1.20%) Question Mark
Research Note: Waltham Serial Ledgers designate this run as Size 10, 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.


cranemaker Supporter 83 · March 20, 2022

Serial Number 26296212 was reported as accurate.

DTSPatrick 34 · March 8, 2022

Serial Number 26296259 was reported as accurate.

JerryT Waltham Expert Small Watch Expert 425 · January 12, 2022

Serial Number 26296367 was reported as accurate.

DTSPatrick 34 · November 12, 2021

Serial Number 26296259 was reported as accurate.

Anonymous · March 1, 2021

Serial Number 26296748 was reported as accurate.

Anonymous · January 26, 2021

Serial Number 26296169 was reported as accurate.

bunnofnickle 67 · November 9, 2020

Serial Number 26296310 was reported as accurate.

DTSPatrick 34 · October 14, 2020

Serial Number 26296463 was reported as accurate.

Bostonwatch 59 · September 2, 2020

Serial Number 26296233 was reported as accurate.

Anonymous · April 18, 2020

Serial Number 26296233 was reported as accurate.

Silvercloud 183 · October 12, 2019

Serial Number 26296233 was reported as accurate.

Anonymous · July 23, 2019

Serial Number 26296425 was reported as accurate.

jlemay69 3 · November 24, 2017

Serial Number 26296029 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 · February 12, 2016

Serial Number 26296386 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from L-10 to Colonial A
Adjusted changed from No to Yes

Anonymous · April 22, 2014

Serial Number 26296148 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from L-10 to Colonial A
Adjusted changed from No to Yes

Anonymous · January 4, 2014

Serial Number 26296005 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from L-10 to Colonial A
Adjusted changed from No to Yes

Anonymous · December 30, 2013

Serial Number 26296005 was reported as inaccurate.

Note: ADJUSTED 5 POS
Changes since this report was submitted:
Factory Model changed from L-10 to Colonial A
Adjusted changed from No to Yes

Anonymous · September 14, 2013

Serial Number 26296784 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from L-10 to Colonial A
Adjusted changed from No to Yes