Pocket Watch Database


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

American Waltham Watch Co.

Grade: Wm. Ellery

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 1640142 Question Mark
Grade: Wm. Ellery Question Mark
Model: 1877 Question Mark
Estimated Production Date: November 1881 - January 1882 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 188 of 381 Question Mark
Grade/Model Total Production: 261,286 Question Mark
Size: 18s Question Mark
Jewels: 11j Question Mark
Movement Configuration: Adaptable 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: 9301.G1608.18S6900.181877M835.A432.K7793.11J4398 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: v52.528 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
365.65 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
332.74 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.363% Question Mark
Registry Population:
Scoped for This Run Only
4 (0.40%) Question Mark
$ Estimated Value (12 Month Change): 6.92% Analyzing 816 Sales 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.


pwdmbj Supporter 558 · June 7, 2021

Serial Number 1640146 was reported as accurate.

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

chuck1500 112 · January 19, 2021

Serial Number 1640142 was reported as accurate.

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

Anonymous · April 11, 2019

Serial Number 1640107 was reported as accurate.

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

Anonymous · July 27, 2018

Serial Number 1640222 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Adjusted changed from Yes to No

Hatani 5 · December 27, 2014

Serial Number 1640650 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from Yes to No
Waltham Grade Wm. Ellery Pocket Watch