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: 20165967 Question Mark
Grade: Maximus A Question Mark
Model: Colonial A Question Mark
Estimated Production Year: 1915 Question Mark
Run Quantity: 500 Question Mark
Grade/Model Run: 5 of 7 Question Mark
Grade/Model Total Production: 2,300 Question Mark
Size: 14s Question Mark
Jewels: 21j 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: 23018.G5.14S2454.M13.O14301.P8123.21J479 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
6.92 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
6.30 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
13 (2.60%) 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.


JerryT Waltham Expert Small Watch Expert 425 · September 25, 2021

Serial Number 20165870 was reported as accurate.

JerryT Waltham Expert Small Watch Expert 425 · September 25, 2021

Serial Number 20165524 was reported as accurate.

Anonymous · August 24, 2021

Serial Number 20165512 was reported as accurate.

Dropsy24 1 · January 14, 2021

Serial Number 20165707 was reported as accurate.

Dropsy24 1 · January 14, 2021

Serial Number 20165707 was reported as accurate.

Dropsy24 1 · January 14, 2021

Serial Number 20165707 was reported as accurate.

Anonymous · October 3, 2020

Serial Number 20165705 was reported as accurate.

Anonymous · March 7, 2020

Serial Number 20165705 was reported as accurate.

backwardglance1 99 · January 29, 2020

Serial Number 20165805 was reported as accurate.

Anonymous · December 7, 2019

Serial Number 20165592 was reported as accurate.

backwardglance1 99 · October 28, 2019

Serial Number 20165805 was reported as accurate.

ncplumber 150 · January 14, 2019

Serial Number 20165622 was reported as accurate.

Anonymous · August 10, 2015

Serial Number 20165914 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

VH1943 176 · August 7, 2015

Serial Number 20165914 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

VH1943 176 · August 7, 2015

Serial Number 20165914 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

Txranger 18 · November 12, 2013

Serial Number 20165816 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