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

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 427716
Grade: P.S. Bartlett
Model: 1857
Estimated Production Date: January 1869 - January 1, 1870
Run Quantity: 400
Grade/Model Run: 2510 of 2837
Grade/Model Total Production: 293,359
Size: 18s
Jewels: 11j
Jewel Material: Ruby
Movement Configuration: Adaptable
Movement Finish: Gilt
Movement Setting: Key
Plate: Full Plate
Adjusted: No
Railroad Grade: No
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
Case: Various
Run ID: 4498.G2670.18S4188.181857M3985.O4489.K4491.11J2625
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
837.52
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
766.39
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.837%
Registry Population: 5 (1.25%)
$ Estimated Value (12 Month Change): -9.33% Analyzing 1,032 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 · May 17, 2020

Serial Number 427868 was reported as accurate.

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

Anonymous · May 15, 2019

Serial Number 427716 was reported as accurate.

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

Anonymous · May 1, 2017

Serial Number 427956 was reported as accurate.

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

Anonymous · November 7, 2013

Serial Number 427954 was reported as inaccurate.

No further details were submitted with the report.
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