Pocket Watch Database


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

American Waltham Watch Co.

Grade: P.S. Bartlett

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 508308 Question Mark
Grade: P.S. Bartlett Question Mark
Model: 1865 Question Mark
Estimated Production Date: February 1871 - April 1, 1871 Question Mark
Run Quantity: 100 Question Mark
Grade/Model Run: 24 of 70 Question Mark
Grade/Model Total Production: 21,139 Question Mark
Size: 10s Question Mark
Jewels: 15j Question Mark
Jewel Material: Ruby Question Mark
Movement Configuration: Adaptable Question Mark
Movement Setting: Key Question Mark
Plate: 3/4 Plate Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Adjusted to Temperature: Yes Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 4794.G2724.10S148.101865M45.O4774.K4784.15J1177 Question Mark
Data Research: c.1900 Waltham Factory Ledger Book 1 [NAWCC]
c.1900 Waltham Factory Ledgers [Ehrhardt Transcription]
1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.518 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
60.63 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
55.17 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.060% Question Mark
Registry Population:
Scoped for This Run Only
1 (1.00%) Question Mark
Research Note: The Waltham Gray Book designates this run as Model 1857. However, this is considered an error. Surrounding runs are Size 18 Model 1857. The other Size 10 runs from this era are Model 1865.

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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 · February 18, 2014

Serial Number 508354 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1857 to 1865
Adjusted changed from No to Yes
Waltham Grade P.S. Bartlett Pocket Watch