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: 1097354 Question Mark
Grade: Wm. Ellery Question Mark
Model: 1877 Question Mark
Estimated Production Date: July 1878 - September 1878 Question Mark
Run Quantity: 600 Question Mark
Grade/Model Run: 9 of 381 Question Mark
Grade/Model Total Production: 261,286 Question Mark
Size: 18s Question Mark
Jewels: 11j Question Mark
Movement Configuration: Hunting Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 7737.G1227.18S6143.181877M161.H618.L516.11J3892 Question Mark
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
Question Mark
Database Version: v52.508 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
340.57 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
309.92 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.339% Question Mark
Registry Population:
Scoped for This Run Only
1 (0.17%) Question Mark
$ Estimated Value (12 Month Change): 7.69% Analyzing 813 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.


cmould Supporter 192 · March 5, 2023

Serial Number 1097354 was reported as accurate.

Anonymous · January 14, 2021

Serial Number 1097225 was reported as accurate.

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

Anonymous · June 15, 2019

Serial Number 1097065 was reported as accurate.

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