Pocket Watch Database

From the American Horology Archive:

American Waltham Watch Co.

Grade: Lady Waltham

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 20321626
Grade: Lady Waltham
Model: 1900
Estimated Production Year: 1915
Run Quantity: 500
Grade/Model Run: 12 of 12
Grade/Model Total Production: 5,450
Size: 3/0s
Jewels: 17j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: 3/4 Plate
Regulator: Patent
Hairspring: Breguet
Adjusted: Yes
Railroad Grade: No
Case: Various
Run ID: 23115.G225.S108.M64.O14373.P8213.17J2386
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Database Version: v52.343
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
7.67
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
6.98
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.008%
Registry Population: 1 (0.20%)

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