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: 318825
Grade: P.S. Bartlett
Model: 1857
Estimated Production Date: September 1867
Run Quantity: 600
Grade/Model Run: 2162 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
Balance Type: Solid
Balance Material: Steel
Adjusted: No
Railroad Grade: No
Case: Various
Run ID: 3803.G2315.18S3553.181857M3350.O3799.K3802.11J2259
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
Database Version: v52.354
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
842.18
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: 9 (1.50%)
$ Estimated Value (12 Month Change): 0.57% Analyzing 1,048 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 · July 3, 2022

Serial Number 318448 was reported as accurate.

Anonymous · December 23, 2017

Serial Number 318822 was reported as accurate.

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

Anonymous · January 25, 2017

Serial Number 318801 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Adjusted changed from Yes to No

Anonymous · November 14, 2013

Serial Number 318542 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