Pocket Watch Database


From the American Horology Archive:
Waltham Grade Wm. Ellery Pocket Watch
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: 212841 Question Mark
Grade: Wm. Ellery Question Mark
Model: 1857 Question Mark
Estimated Production Date: March 1866 Question Mark
Run Quantity: 600 Question Mark
Grade/Model Run: 230 of 958 Question Mark
Grade/Model Total Production: 201,307 Question Mark
Size: 18s Question Mark
Jewels: 11j Question Mark
Movement Configuration: Adaptable Question Mark
Movement Finish: Gilt Question Mark
Movement Setting: Key Question Mark
Plate: Full Plate Question Mark
Balance Type: Solid Question Mark
Balance Material: Steel Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 3110.G297.18S2882.181857M2679.O3107.K3109.11J1714 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: v52.465 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
574.10 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
522.43 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.571% Question Mark
Registry Population:
Scoped for This Run Only
8 (1.33%) 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.


Anonymous · February 3, 2024

Serial Number 212590 was reported as accurate.

cmould Supporter 192 · March 12, 2023

Serial Number 212841 was reported as accurate.

cmould Supporter 192 · March 5, 2023

Serial Number 212841 was reported as accurate.

Anonymous · April 13, 2021

Serial Number 212590 was reported as accurate.

Anonymous · July 22, 2020

Serial Number 212662 was reported as accurate.

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

Anonymous · August 6, 2019

Serial Number 212695 was reported as accurate.

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

Anonymous · August 30, 2016

Serial Number 213015 was reported as accurate.

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

Anonymous · September 18, 2014

Serial Number 212656 was reported as accurate.

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