Pocket Watch Database


From the American Horology Archive:
Waltham Grade No. 635 Pocket Watch

American Waltham Watch Co.

Grade: No. 635

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 18002424 Question Mark
Grade: No. 635 Question Mark
Model: 1908 Question Mark
Estimated Production Year: 1910 Question Mark
Run Quantity: 1,500 Question Mark
Grade/Model Run: 5 of 45 Question Mark
Grade/Model Total Production: 33,300 Question Mark
Size: 16s Question Mark
Jewels: 17j Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: 3/4 Plate Question Mark
Regulator: Church 1892 Question Mark
Hairspring: Breguet Question Mark
Pallet Jewel Material: Sapphire Question Mark
Adjusted: Yes Question Mark
Adjusted to Temperature: Yes Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 21609.G5.16S2704.161908M279.H7246.P6900.17J1977 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.427 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
41.32 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
37.60 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.041% Question Mark
Registry Population:
Scoped for This Run Only
9 (0.60%) Question Mark
$ Estimated Value (12 Month Change): 0.90% Analyzing 148 Sales Question Mark

Help Us Help Others By Improving the Database:

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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 · May 3, 2021

Serial Number 18003005 was reported as accurate.

Anonymous · June 7, 2020

Serial Number 18002493 was reported as accurate.

Anonymous · February 12, 2020

Serial Number 18002637 was reported as accurate.

Racerguy1012003 1 · November 9, 2018

Serial Number 18002482 was reported as accurate.

Racerguy1012003 1 · November 8, 2018

Serial Number 18002482 was reported as accurate.

Anonymous · April 28, 2018

Serial Number 18002332 was reported as accurate.

NA7CJde7 12 · February 9, 2017

Serial Number 18002424 was reported as accurate.

Anonymous · April 11, 2016

Serial Number 18003468 was reported as accurate.

sanjosetom 313 · February 26, 2016

Serial Number 18002387 was reported as accurate.

Anonymous · January 7, 2016

Serial Number 18002160 was reported as accurate.

usnpt109 Supporter 24 · March 27, 2015

Serial Number 18003425 was reported as inaccurate.

Note: P L Bartlett

usnpt109 Supporter 24 · March 27, 2015

Serial Number 18003425 was reported as inaccurate.

No further details were submitted with the report.

usnpt109 Supporter 24 · March 27, 2015

Serial Number 18003425 was reported as inaccurate.

No further details were submitted with the report.

mickroid 49 · September 24, 2014

Serial Number 18002028 was reported as accurate.

Anonymous · November 14, 2013

Serial Number 18002489 was reported as accurate.