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: 20177925 Question Mark
Grade: No. 635 Question Mark
Model: 1908 Question Mark
Estimated Production Year: 1915 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 34 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: 23028.G35.16S3228.161908M797.H7784.P8133.17J2361 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.433 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
2 (0.20%) Question Mark
$ Estimated Value (12 Month Change): -0.94% Analyzing 148 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.


Anonymous · January 27, 2022

Serial Number 20177925 was reported as accurate.

Anonymous · October 22, 2019

Serial Number 20177925 was reported as accurate.

Anonymous · April 12, 2019

Serial Number 20177466 was reported as accurate.

Anonymous · June 18, 2018

Serial Number 20177197 was reported as accurate.

Anonymous · January 29, 2017

Serial Number 20177838 was reported as accurate.

Anonymous · July 6, 2013

Serial Number 20177884 was reported as accurate.

Waltham Grade No. 635 Pocket Watch