Pocket Watch Database


From the American Horology Archive:
Waltham Grade Equity Pocket Watch

American Waltham Watch Co.

Grade: Equity

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 18578251 Question Mark
Grade: Equity Question Mark
Model: 1908 Question Mark
Estimated Production Year: 1912 Question Mark
Run Quantity: 2,000 Question Mark
Grade/Model Run: 8 of 20 Question Mark
Grade/Model Total Production: 56,500 Question Mark
Size: 16s Question Mark
Jewels: 7j Question Mark
Movement Configuration: Openface Question Mark
Movement Setting: Pendant Question Mark
Plate: 3/4 Plate Question Mark
Hairspring: Breguet Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 22021.G8.16S2861.161908M431.O13671.P7241.7J6332 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.457 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
109.89 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
100.00 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.109% Question Mark
Registry Population:
Scoped for This Run Only
5 (0.25%) Question Mark
$ Estimated Value (12 Month Change): -19.81% Analyzing 73 Sales 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.


dai4583 58 · February 10, 2022

Serial Number 18578957 was reported as inaccurate.

Note: This watch is marked traveler.
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

PHIL1199 Supporter 1124 · December 30, 2019

Serial Number 18579951 was reported as inaccurate.

Note: This number is on a Traveler!.

wabash 134 · December 3, 2015

Serial Number 18578361 was reported as inaccurate.

Note: 18578361 is marked Traveler

shaunajoy 2 · January 19, 2015

Serial Number 18579867 was reported as accurate.

Anonymous · March 24, 2013

Serial Number 18578784 was reported as inaccurate.

Note: Movement is marked American Waltham Traveller

Anonymous · January 12, 2013

Serial Number 18578178 was reported as inaccurate.

Note: traveler not riverside
Waltham Grade Equity Pocket Watch