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: 33810
Grade: P.S. Bartlett
Model: 1857
Estimated Production Date: April 1860 - May 1860
Run Quantity: 900
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: 9 (1.00%)
Database Version: v49.716

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 33104 #104 Inferred
2 33307 #307 Collection August 03, 2018
3 33399 #399 Inferred
4 33423 #423 Inferred
5 33603 #603 Inferred
6 33653 #653 Collection May 04, 2019
7
Image Credit: inlinehunter006
33810 #810 Collection February 03, 2019
8 33820 #820 Collection May 08, 2014
9 33893 #893 Collection December 24, 2022
Standard Deviation of Known Examples: 266.47 (Expected: 259.95, Δ6.51/0.72%)

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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 · February 3, 2021

Serial Number 33310 was reported as accurate.

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

Anonymous · January 7, 2021

Serial Number 33484 was reported as accurate.

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

Anonymous · November 8, 2020

Serial Number 33096 was reported as accurate.

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

Anonymous · October 5, 2019

Serial Number 33399 was reported as accurate.

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

inlinehunter006 20 · February 3, 2019

Serial Number 33810 was reported as accurate.

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

Braze92 1 · December 3, 2018

Serial Number 33843 was reported as accurate.

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

Anonymous · October 8, 2018

Serial Number 33182 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 · August 7, 2018

Serial Number 33307 was reported as accurate.

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

Anonymous · July 12, 2017

Serial Number 33534 was reported as accurate.

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

Anonymous · May 10, 2017

Serial Number 33031 was reported as accurate.

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

Anonymous · May 4, 2017

Serial Number 33793 was reported as accurate.

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

Anonymous · January 23, 2017

Serial Number 33659 was reported as accurate.

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

Diggdugg 1 · February 23, 2016

Serial Number 33701 was reported as accurate.

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

Diggdugg 1 · February 23, 2016

Serial Number 33701 was reported as accurate.

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

dunlapjm 17 · October 16, 2015

Serial Number 33783 was reported as accurate.

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

watchman992 23 · October 11, 2015

Serial Number 33783 was reported as accurate.

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

Anonymous · October 6, 2014

Serial Number 33562 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