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
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 508073
Grade: P.S. Bartlett
Model: 1865
Estimated Production Date: January 1871 - March 1, 1871
Run Quantity: 300
Grade/Model Run: 23 of 70
Grade/Model Total Production: 21,139
Size: 10s
Jewels: 15j
Jewel Material: Ruby
Movement Configuration: Adaptable
Movement Finish: Gilt
Movement Setting: Key
Plate: 3/4 Plate
Balance Type: Solid
Balance Material: Gold
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: 4793.G2723.10S147.101865M44.E1.K4781.15J1174
Database Version: v52.245
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
0.90
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.82
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.001%
Registry Population: 3 (1.00%)
Research Note: Waltham Serial Lists erroneously designate this run as 10-Size Model "57." However, this run should be classified as 10-Size Model 1865 instead, confirmed by movement #508073.

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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.


cmould Supporter 192 · March 23, 2023

Serial Number 508073 was reported as accurate.

Anonymous · November 14, 2014

Serial Number 508120 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Size changed from 18 to 10
Factory Model changed from 1857 to 1865
Plate changed from Unknown to 3/4

Anonymous · October 28, 2014

Serial Number 508071 was reported as accurate.

Changes since this report was submitted:
Size changed from 18 to 10
Factory Model changed from 1857 to 1865
Waltham Grade P.S. Bartlett Pocket Watch