Pocket Watch Database

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

American Waltham Watch Co.

Grade: Martyn Square

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 868039
Grade: Martyn Square
Model: 1857
Estimated Production Date: January 1876 - February 28, 1876
Run Quantity: 200
Grade/Model Run: 24 of 108
Grade/Model Total Production: 7,960
Size: 18s
Jewels: 7j
Movement Configuration: Adaptable
Movement Finish: Gilt
Movement Signing Style: Mixed
Movement Inlay Color: None
Movement Setting: Key
Plate: Full Plate
Balance Type: Solid
Balance Material: Steel
Regulator: Plain
Adjusted: No
Railroad Grade: No
Movement Markings: Am. Watch Co.
Martin Sq.
Waltham, Mass.
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: 5997.G50.18S5275.181857M5053.O5836.K5836.7J731
Database Version: v52.245
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
21.25
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
19.34
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.021%
Registry Population: 3 (1.50%)
Research Note: #868039 English Market Model 1857 with Wavy Bridge (Dial Marked "Fattorini & Sons, Bradford.) [NAWCC Forum Photo]

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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 · June 15, 2022

Serial Number 868100 was reported as accurate.

Anonymous · March 30, 2021

Serial Number 868151 was reported as accurate.

Anonymous · September 22, 2019

Serial Number 868017 was reported as inaccurate.

Note: These watches also were made from solid 14 to 18K
gold, dials are porcelain they also have built in
winding screw many other details are missing but
very good information than what I ever had. Thank
you for the great website.
Changes since this report was submitted:
Adjusted changed from Yes to No
Waltham Grade Martyn Square Pocket Watch