Pocket Watch Database

From the American Horology Archive:

American Waltham Watch Co.

Grade: Riverside A

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 20160753
Grade: Riverside A
Model: Colonial A
Estimated Production Year: 1915
Run Quantity: 1,000
Grade/Model Run: 8 of 25
Grade/Model Total Production: 25,300
Size: 14s
Jewels: 19j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: Bridge Plate
Hairspring: Breguet
Adjusted: Yes
Adjusted to Position: Yes
Railroad Grade: No
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 23013.G8.14S2453.M12.O14310.P8121.19J404
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
75.75
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
69.31
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.076%
Registry Population: 41 (4.10%)
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 20160785 was reported as accurate.

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

Serial Number 20160409 was reported as accurate.

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

Serial Number 20160048 was reported as accurate.

Anonymous · June 2, 2021

Serial Number 20160294 was reported as accurate.

Stevanio 19 · October 27, 2020

Serial Number 20160294 was reported as accurate.

steve288 264 · March 3, 2020

Serial Number 20160543 was reported as accurate.

Anonymous · March 23, 2019

Serial Number 20160543 was reported as accurate.

Anonymous · March 23, 2019

Serial Number 20160543 was reported as accurate.

hawk61 11 · March 11, 2017

Serial Number 20160753 was reported as accurate.

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

hawk61 11 · March 11, 2017

Serial Number 20160753 was reported as accurate.

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

Anonymous · July 1, 2014

Serial Number 20160173 was reported as accurate.

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