Pocket Watch Database

From the American Horology Archive:
Waltham Grade Wm. Ellery Pocket Watch

American Waltham Watch Co.

Grade: Wm. Ellery

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 1556751
Grade: Wm. Ellery
Model: 1877
Estimated Production Date: April 1881 - May 1881
Run Quantity: 600
Grade/Model Run: 158 of 381
Grade/Model Total Production: 261,286
Size: 18s
Jewels: 11j
Movement Configuration: Adaptable
Movement Finish: Nickel
Movement Setting: Key
Plate: Full Plate
Adjusted: No
Railroad Grade: No
Data Research: c.1900 Waltham Factory Ledger Book 2 [NAWCC]
1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 9073.G1551.18S6782.181877M729.A370.K7692.11J4323
Database Version: v52.235
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
377.46
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
343.48
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.375%
Registry Population: 4 (0.67%)
$ Estimated Value (12 Month Change): -4.93% Analyzing 795 Sales

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Waltham Grade Wm. Ellery Pocket Watch