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: 30854
Grade: P.S. Bartlett
Model: 1857
Estimated Production Date: February 1860 - February 28, 1860
Run Quantity: 200
Grade/Model Total Production: 293,259
Size: 18s
Jewels: 11j
Movement Configuration: Adaptable
Movement Finish: Gilt
Movement Setting: Key
Plate: Full Plate
Balance Type: Solid
Balance Material: Gold
Adjusted: No
Railroad Grade: No
Data Research: c.1900 Waltham Factory Ledgers
1954 Waltham "Gray Book" List
Case: Various
Registry Population: 2 (1.00%)
Database Version: v49.701

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 30735 #35 Inferred
2
Image Credit: fabianmwb
30854 #154 Collection October 01, 2022
Standard Deviation of Known Examples: 84.15 (Expected: 57.88, Δ26.27/13.13%)

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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 · November 10, 2021

Serial Number 30808 was reported as accurate.

Anonymous · January 27, 2021

Serial Number 30877 was reported as accurate.

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

Anonymous · April 30, 2020

Serial Number 30822 was reported as accurate.

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

Anonymous · December 9, 2018

Serial Number 30842 was reported as accurate.

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

Anonymous · November 10, 2013

Serial Number 30896 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 · July 6, 2013

Serial Number 30702 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