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: 417638
Grade: P.S. Bartlett
Model: 1857
Estimated Production Date: August 1869 - November 1, 1869
Run Quantity: 700
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: Steel
Adjusted: No
Railroad Grade: No
Data Research: c.1900 Waltham Factory Ledgers
1954 Waltham "Gray Book" List
Case: Various
Registry Population: 8 (1.14%)
Database Version: v49.752

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 417218 #18 Marketplace April 16, 2013
2 417228 #28 Marketplace March 12, 2014
3 417302 #102 Marketplace September 12, 2013
4 417335 #135 Collection August 15, 2019
5 417436 #236 Marketplace June 05, 2016
6 417611 #411 Inferred
7
Image Credit: Just4orfun
417638 #438 Collection May 16, 2016
8 417876 #676 Marketplace February 23, 2014
Standard Deviation of Known Examples: 233.28 (Expected: 202.22, Δ31.06/4.44%)

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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 · March 26, 2022

Serial Number 417546 was reported as accurate.

Anonymous · October 27, 2020

Serial Number 417874 was reported as accurate.

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

Anonymous · October 27, 2020

Serial Number 417874 was reported as accurate.

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

Anonymous · January 24, 2019

Serial Number 417638 was reported as accurate.

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

Just4orfun 117 · December 18, 2017

Serial Number 417638 was reported as accurate.

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

Gasperoff 727 · February 8, 2015

Serial Number 417885 was reported as accurate.

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

Gasperoff 727 · February 7, 2015

Serial Number 417885 was reported as accurate.

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

Gasperoff 727 · February 7, 2015

Serial Number 417885 was reported as accurate.

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

Anonymous · July 21, 2013

Serial Number 417228 was reported as accurate.

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

Anonymous · April 28, 2013

Serial Number 417218 was reported as accurate.

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