Pocket Watch Database

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

American Waltham Watch Co.

Grade: No. 635

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 20159997
Grade: No. 635
Model: 1908
Estimated Production Year: 1915
Run Quantity: 500
Grade/Model Run: 33 of 45
Grade/Model Total Production: 33,300
Size: 16s
Jewels: 17j
Jewel Setting: Screw-Set
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: 3/4 Plate
Regulator: Church 1892
Hairspring: Breguet
Pallet Jewel Material: Sapphire
Adjusted: Yes
Adjusted to Temperature: Yes
Railroad Grade: No
Case: Various
Run ID: 23012.G34.16S3225.161908M794.O14309.P8120.17J2354
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Database Version: v52.343
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
58.93
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
53.63
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.059%
Registry Population: 6 (1.20%)
$ Estimated Value (12 Month Change): 1.01% Analyzing 147 Sales

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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 · April 21, 2024

Serial Number 20159677 was reported as accurate.

Anonymous · June 18, 2017

Serial Number 20159874 was reported as accurate.

pwdmbj Supporter 556 · December 27, 2015

Serial Number 20159805 was reported as accurate.

Anonymous · October 29, 2014

Serial Number 20159997 was reported as accurate.

Waltham Grade No. 635 Pocket Watch