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: 1008342
Grade: Martyn Square
Model: 1877
Estimated Production Date: October 1877 - November 1877
Run Quantity: 50
Grade/Model Run: 16 of 134
Grade/Model Total Production: 12,953
Size: 18s
Jewels: 7j
Movement Configuration: Adaptable
Movement Setting: Key
Plate: Full Plate
Balance Type: Solid
Balance Material: Gold
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: 7148.G153.18S5912.181877M28.A28.K6632.7J1236
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
30.99
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: 2 (4.00%)

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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 21, 2017

Serial Number 1008345 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from Yes to No

jeremyroy 199 · September 26, 2013

Serial Number 1008342 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from Yes to No
Waltham Grade Martyn Square Pocket Watch