Pocket Watch Database

From the American Horology Archive:
Waltham Grade No. 166 Pocket Watch

American Waltham Watch Co.

Grade: No. 166

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 22214171 Question Mark
Grade: No. 166 Question Mark
Model: 1907 Question Mark
Estimated Production Year: 1918 Question Mark
Run Quantity: 5,000 Question Mark
Grade/Model Run: 1 of 1 Question Mark
Grade/Model Total Production: 5,000 Question Mark
Size: 0s Question Mark
Jewels: 15j Question Mark
Movement Configuration: Hunting Question Mark
Movement Setting: Pendant Question Mark
Regulator: Patent Question Mark
Hairspring: Breguet Question Mark
Adjusted: Yes Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 24043.G1.0S1077.01907M188.H8168.P9076.15J5634 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.452 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
15.05 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
13.70 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.015% Question Mark
Registry Population:
Scoped for This Run Only
5 (0.10%) 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.


MoatsJustin1 top-contributor 5269 · March 21, 2022

Serial Number 22216579 was reported as accurate.

Rcardkidz 4054 · August 27, 2020

Serial Number 22217052 was reported as accurate.

Anonymous · November 26, 2018

Serial Number 22215033 was reported as accurate.

Anonymous · January 11, 2018

Serial Number 22214171 was reported as inaccurate.

Note: movement serial 22214171 IS marked with the word
"adjusted" next to the balance wheel.
Changes since this report was submitted:
Adjusted changed from No to Yes

Anonymous · March 3, 2017

Serial Number 22217405 was reported as inaccurate.

Note: Open face watch, housed in trench watch case.
'Adjusted' stamped below the balance wheel.
Changes since this report was submitted:
Adjusted changed from No to Yes

Anonymous · August 1, 2016

Serial Number 22217957 was reported as accurate.

Changes since this report was submitted:
Movement Configuration changed from Openface to Hunting
Adjusted changed from No to Yes

TheAdmiral 94 · June 13, 2014

Serial Number 22216191 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
Adjusted changed from No to Yes

Anonymous · December 27, 2013

Serial Number 22217502 was reported as inaccurate.

Note: "Adjusted" undr balance wheel, hunter case
oriented,
Changes since this report was submitted:
Movement Configuration changed from Openface to Hunting
Adjusted changed from No to Yes
Waltham Grade No. 166 Pocket Watch