Pocket Watch Database

From the American Horology Archive:
Waltham Grade Astronomical Sidereal Pocket Watch

American Waltham Watch Co.

Grade: Astronomical Sidereal

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 18028579 Question Mark
Grade: Astronomical Sidereal Question Mark
Model: 1892 Question Mark
Estimated Production Year: 1910 Question Mark
Run Quantity: 100 Question Mark
Grade/Model Run: 2 of 4 Question Mark
Grade/Model Total Production: 325 Question Mark
Size: 18s Question Mark
Jewels: 19j Question Mark
Jewel Setting: Raised Gold Settings (Screw-Set) Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Signing Style: Mixed Question Mark
Movement Inlay Color: Black Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Regulator: Ohlson 1908 Question Mark
Hairspring: Breguet Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Adjusted # of Positions: 5 Question Mark
Movement Markings: A.W.W.Co.
Waltham, Mass.
19 Jewels.
Adjusted.
5 Positions.
Case: Various Question Mark
Run ID: 21641.G2.18S11965.181892M563.O13449.L5264.19J358 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.462 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
0.98 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.89 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.001% Question Mark
Registry Population:
Scoped for This Run Only
4 (4.00%) 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.


cougwatch Supporter 125 · November 20, 2017

Serial Number 18028579 was reported as accurate.

Waltham Grade Astronomical Sidereal Pocket Watch