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
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 740497
Grade: Wm. Ellery
Model: 1857
Estimated Production Date: March 1874 - May 1, 1874
Run Quantity: 500
Grade/Model Run: 738 of 958
Grade/Model Total Production: 201,307
Size: 18s
Jewels: 7j
Movement Configuration: Adaptable
Movement Finish: Gilt
Movement Setting: Key
Plate: Full Plate
Balance Type: Solid
Balance Material: Steel
Adjusted: No
Railroad Grade: No
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
Case: Various
Run ID: 5430.G805.18S4947.181857M4726.O5385.K5388.7J456
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
570.92
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
522.43
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.571%
Registry Population: 6 (1.20%)
$ Estimated Value (12 Month Change): -9.36% Analyzing 200 Sales

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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.


2mnyboxers Supporter 398 · November 27, 2022

Serial Number 740497 was reported as accurate.

2mnyboxers Supporter 398 · July 2, 2022

Serial Number 740497 was reported as accurate.

Anonymous · March 2, 2022

Serial Number 740354 was reported as accurate.

Waltham Grade Wm. Ellery Pocket Watch
Waltham Grade Wm. Ellery Pocket Watch