Pocket Watch Database


From the American Horology Archive:
Waltham Grade A.T. & Co. Pocket Watch

American Waltham Watch Co.

Grade: A.T. & Co.

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 18064620 Question Mark
Grade: A.T. & Co. Question Mark
Model: 1892 Question Mark
Estimated Production Year: 1910 Question Mark
Run Quantity: 500 Question Mark
Grade/Model Run: 85 of 92 Question Mark
Grade/Model Total Production: 41,973 Question Mark
Size: 18s Question Mark
Jewels: 17j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel 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
Case: Various Question Mark
Run ID: 21690.G1897.18S11971.181892M568.O13479.L5276.17J2025 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.528 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
100.72 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
91.65 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.100% Question Mark
Registry Population:
Scoped for This Run Only
7 (1.40%) Question Mark
$ Estimated Value (12 Month Change): 0.51% Analyzing 258 Sales Question Mark
Research Note: #18064962: Verified as fitted with a 1-12 dial marked "Sidereal Rate" above the seconds bit, black five minute track, and minute delimiters that extend to the edge of the dial. This dial is distinguished from the standard 1-24 Sidereal dials [FB].

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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 · November 18, 2020

Serial Number 18064835 was reported as accurate.

Jacobsen 1 · November 10, 2016

Serial Number 18064622 was reported as accurate.

Anonymous · November 3, 2016

Serial Number 18064622 was reported as accurate.

Anonymous · January 14, 2015

Serial Number 18064622 was reported as accurate.

Anonymous · February 12, 2014

Serial Number 18064841 was reported as accurate.

Anonymous · February 23, 2013

Serial Number 18064811 was reported as accurate.

Anonymous · February 23, 2013

Serial Number 18064811 was reported as accurate.

Waltham Grade A.T. & Co. Pocket Watch