Pocket Watch Database


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

American Waltham Watch Co.

Grade: P.S. Bartlett

Actual Production Conflicts with Factory Records. See Research Notes.

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 149267 Question Mark
Grade: P.S. Bartlett Question Mark
Model: 1857 Question Mark
Estimated Production Date: January 1865 - March 1865 Question Mark
Run Quantity: 500 Question Mark
Grade/Model Run: 1408 of 2837 Question Mark
Grade/Model Total Production: 293,359 Question Mark
Size: 18s Question Mark
Jewels: 7j Question Mark
Jewel Material: Ruby Question Mark
Movement Configuration: Adaptable Question Mark
Movement Finish: Gilt Question Mark
Movement Setting: Key Question Mark
Plate: Full Plate Question Mark
Balance Type: Solid Question Mark
Balance Material: Steel Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 2636.G1543.18S2455.181857M2252.O2633.K2635.7J259 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: v52.450 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
842.18 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
766.39 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.837% Question Mark
Registry Population:
Scoped for This Run Only
7 (1.40%) Question Mark
Research Note: Factory ledgers designate this run as being fitted with 7 jewels. However, #149267 has been verified with jeweling on the top plate (likely 11 jewels). Additionally, #148987 has been reported as an 11-Jewel movement.

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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.


Peeker7 6 · September 30, 2020

Serial Number 148972 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from Yes to No

rmwatchandclock Supporter 371 · July 4, 2020

Serial Number 148987 was reported as inaccurate.

Note: Serial number 148987 is an 11 jewel 18 size watch.
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.
Changes since this report was submitted:
Adjusted changed from Yes to No

Anonymous · November 4, 2019

Serial Number 148801 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from Yes to No

Anonymous · February 13, 2018

Serial Number 149158 was reported as accurate.

Changes since this report was submitted:
Adjusted changed from Yes to No

Bobster 31 · November 7, 2013

Serial Number 148933 was reported as accurate.

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