Pocket Watch Database

From the American Horology Archive:
Waltham Grade Martyn Square Pocket Watch

American Waltham Watch Co.

Grade: Martyn Square

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 2115075
Grade: Martyn Square
Model: 1877
Estimated Production Date: June 1883 - August 1883
Run Quantity: 100
Grade/Model Run: 102 of 134
Grade/Model Total Production: 12,953
Size: 18s
Jewels: 15j
Movement Configuration: Adaptable
Movement Setting: Key
Plate: Full Plate
Train: Quick
Adjusted: Yes
Data Research: c.1900 Waltham Factory Ledger Book 2 [NAWCC]
1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 10585.G242.18S7651.181877M1501.A658.K8252.15J2344
Database Version: v52.235
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
31.16
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
28.35
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.031%
Registry Population: 1 (1.00%)

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Waltham Grade Martyn Square Pocket Watch