Pocket Watch Database

From the American Horology Archive:

American Waltham Watch Co.

Grade: Wm. Ellery

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 970221
Grade: Wm. Ellery
Model: 1874
Estimated Production Date: March 1877 - April 1877
Run Quantity: 300
Grade/Model Run: 96 of 170
Grade/Model Total Production: 21,738
Size: 10s
Jewels: 7j
Movement Configuration: Adaptable
Movement Setting: Key
Plate: 3/4 Plate
Adjusted: No
Railroad Grade: No
Data Research: c.1900 Waltham Factory Ledger Book 1 [NAWCC]
c.1900 Waltham Factory Ledgers [Ehrhardt Transcription]
1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 6788.G1122.10S412.101874M190.O6401.K6391.7J1026
Database Version: v52.249
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
63.04
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
57.36
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.063%
Registry Population: 3 (1.00%)

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