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: 2599133
Grade: Martyn Square
Model: 1877
Estimated Production Date: January 1885 - April 1885
Run Quantity: 100
Grade/Model Run: 131 of 134
Grade/Model Total Production: 12,953
Size: 18s
Jewels: 7j
Movement Configuration: Adaptable
Movement Finish: Gilt
Movement Setting: Key
Plate: Full Plate
Train: Quick
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: 11369.G273.18S7995.181877M1781.A804.K8691.7J3025
Database Version: v52.270
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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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.


BJBURN 29 · May 1, 2020

Serial Number 2599133 was reported as inaccurate.

Note: My watch (see photo) appears to be a Martyn Sq.,
not a Wm. Ellery. Note the regulator and
engraving. Made for British market in 1885.
Curator Response: Thanks for the report. The database has been updated accordingly.
Changes since this report was submitted:
Movement Finish changed from Gilt or Nickel to Gilt
Waltham Grade Martyn Square Pocket Watch