Pocket Watch Database

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

American Waltham Watch Co.

Grade: Astronomical Sidereal

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 18028575
Grade: Astronomical Sidereal
Model: 1892
Estimated Production Year: 1910
Run Quantity: 100
Grade/Model Run: 2 of 4
Grade/Model Total Production: 325
Size: 18s
Jewels: 19j
Jewel Setting: Raised Gold Settings (Screw-Set)
Movement Configuration: Openface
Movement Finish: Nickel
Movement Signing Style: Mixed
Movement Inlay Color: Black
Movement Setting: Lever
Plate: Full Plate
Regulator: Ohlson 1908
Hairspring: Breguet
Adjusted: Yes
Adjusted to Position: Yes
Adjusted # of Positions: 5
Movement Markings: A.W.W.Co.
Waltham, Mass.
19 Jewels.
Adjusted.
5 Positions.
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 21641.G2.18S11965.181892M563.O13461.L5263.19J358
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
0.97
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.89
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.001%
Registry Population: 4 (4.00%)

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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