Pocket Watch Database


From the American Horology Archive:
Waltham Grade No. 160 Pocket Watch

American Waltham Watch Co.

Grade: No. 160

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 21510972 Question Mark
Grade: No. 160 Question Mark
Model: 1900 Question Mark
Estimated Production Year: 1917 Question Mark
Run Quantity: 6,000 Question Mark
Grade/Model Run: 12 of 14 Question Mark
Grade/Model Total Production: 34,000 Question Mark
Size: 0s Question Mark
Jewels: 7j Question Mark
Movement Configuration: Hunting Question Mark
Movement Setting: Pendant Question Mark
Hairspring: Breguet Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 23628.G58.0S1070.01900M457.H8018.P8720.7J6950 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.479 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
102.36 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
93.15 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.102% Question Mark
Registry Population:
Scoped for This Run Only
12 (0.20%) 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.


MacWac Supporter 6 · October 17, 2024

Serial Number 21510872 was reported as accurate.

Anonymous · March 12, 2019

Serial Number 21515821 was reported as accurate.

Anonymous · January 3, 2019

Serial Number 21511301 was reported as accurate.

Anonymous · February 22, 2018

Serial Number 21513794 was reported as accurate.

Anonymous · September 24, 2017

Serial Number 21511261 was reported as accurate.

cmdraven 4083 · June 2, 2017

Serial Number 21511261 was reported as accurate.

Anonymous · February 9, 2015

Serial Number 21515575 was reported as accurate.

Changes since this report was submitted:
Movement Configuration changed from Openface to Hunting

rtwatches 943 · January 2, 2015

Serial Number 21514952 was reported as inaccurate.

Note: Hunting case
Changes since this report was submitted:
Movement Configuration changed from Openface to Hunting

Anonymous · July 2, 2014

Serial Number 21510878 was reported as accurate.

Changes since this report was submitted:
Movement Configuration changed from Openface to Hunting

Anonymous · March 8, 2014

Serial Number 21511603 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Movement Configuration changed from Openface to Hunting
Waltham Grade No. 160 Pocket Watch