Pocket Watch Database


From the American Horology Archive:
Waltham Grade P.S. Bartlett Pocket Watch

American Waltham Watch Co.

Grade: P.S. Bartlett

(Alternatively Grade No. 635)

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 18075915 Question Mark
Grade: P.S. Bartlett Question Mark
Model: 1908 Question Mark
Estimated Production Year: 1910 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 25 of 105 Question Mark
Grade/Model Total Production: 106,099 Question Mark
Size: 16s Question Mark
Jewels: 17j Question Mark
Jewel Material: Ruby Question Mark
Movement Configuration: Hunting Question Mark
Movement Setting: Pendant Question Mark
Plate: Bridge Plate Question Mark
Balance Type: Compensation Question Mark
Regulator: Church 1892 Question Mark
Hairspring: Breguet Question Mark
Adjusted: Yes Question Mark
Adjusted to Temperature: Yes Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 21703.G4379.16S2744.161908M319.H7281.P6969.17J2030 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.428 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
202.32 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
184.11 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.201% Question Mark
Registry Population:
Scoped for This Run Only
6 (0.60%) Question Mark
$ Estimated Value (12 Month Change): 5.69% Analyzing 265 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 · September 6, 2020

Serial Number 18075480 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt or Nickel
Plate changed from 3/4 to Bridge

Anonymous · February 11, 2017

Serial Number 18075436 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt or Nickel
Plate changed from 3/4 to Bridge

Anonymous · December 24, 2015

Serial Number 18075448 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge

Anonymous · January 3, 2015

Serial Number 18075668 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to Bridge
Waltham Grade P.S. Bartlett Pocket Watch