Pocket Watch Database


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

American Waltham Watch Co.

Grade: Martyn Square

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 2599133 Question Mark
Grade: Martyn Square Question Mark
Model: 1877 Question Mark
Estimated Production Date: January 1885 - April 1885 Question Mark
Run Quantity: 100 Question Mark
Grade/Model Run: 131 of 134 Question Mark
Grade/Model Total Production: 12,953 Question Mark
Size: 18s Question Mark
Jewels: 7j Question Mark
Movement Configuration: Adaptable Question Mark
Movement Finish: Gilt Question Mark
Movement Setting: Key Question Mark
Plate: Full Plate Question Mark
Train: Quick Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 11369.G273.18S7995.181877M1781.A815.K8695.7J3025 Question Mark
Data Research: c.1900 Waltham Factory Ledger Book 2 [NAWCC]
1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.449 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
31.16 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
28.35 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.031% Question Mark
Registry Population:
Scoped for This Run Only
1 (1.00%) Question Mark

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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