Pocket Watch Database

From the American Horology Archive:

American Waltham Watch Co.

Grade: Maximus A

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 20049764
Grade: Maximus A
Model: Colonial A
Estimated Production Year: 1915
Run Quantity: 300
Grade/Model Run: 4 of 7
Grade/Model Total Production: 2,300
Size: 14s
Jewels: 21j
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: 22894.G4.14S2446.M6.O14222.P8033.21J454
Database Version: v52.245
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
6.92
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
6.30
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.007%
Registry Population: 6 (2.00%)
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.


Anonymous · June 12, 2022

Serial Number 20049950 was reported as accurate.

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

Serial Number 20049764 was reported as accurate.

Dilligaf 2 · February 16, 2017

Serial Number 20049728 was reported as accurate.

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

Dilligaf 2 · February 16, 2017

Serial Number 20049728 was reported as accurate.

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