Pocket Watch Database

From the American Horology Archive:
Waltham Grade No. 1015 Pocket Watch

American Waltham Watch Co.

Grade: No. 1015

Finished with 10s Enlargement Ring and Dial

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 10174523 Question Mark
Grade: No. 1015 Question Mark
Model: 1900 Question Mark
Estimated Production Year: 1900 Question Mark
Run Quantity: 4,000 Question Mark
Grade/Model Run: 1 of 1 Question Mark
Grade/Model Total Production: 4,000 Question Mark
Size: 0s Question Mark
Jewels: 15j Question Mark
Movement Configuration: Openface Question Mark
Movement Setting: Pendant Question Mark
Hairspring: Breguet Question Mark
Adjusted: Yes Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 16880.G1.0S353.01900M12.O10862.P3129.15J3961 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.516 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
12.04 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
10.96 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.012% Question Mark
Registry Population:
Scoped for This Run Only
12 (0.30%) Question Mark
Research Note: See images of #10174523 for an example of how Waltham finished these standard 0s movements with an enlargement ring, effectively creating a 10s movement (as listed in Waltham Serial Lists).

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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 · December 2, 2023

Serial Number 10176608 was reported as accurate.

Anonymous · March 4, 2022

Serial Number 10174711 was reported as accurate.

JerryT Waltham Expert Small Watch Expert 425 · May 11, 2021

Serial Number 10174523 was reported as inaccurate.

Note: Although the basic movement is an 0-size movement,
it was completed with an extra metal ring, marked
with the company name, and dialed as a 10-size
movement. The ring is part of this 10-size
movement in this run.
Curator Response: Thanks for the report. This information has been noted in the research notes for this run.

Anonymous · March 10, 2021

Serial Number 10176729 was reported as accurate.

Anonymous · February 26, 2021

Serial Number 10176729 was reported as accurate.

Anonymous · May 2, 2019

Serial Number 10174432 was reported as accurate.

Anonymous · September 28, 2018

Serial Number 10173757 was reported as accurate.

Anonymous · November 28, 2017

Serial Number 10175552 was reported as accurate.

Anonymous · July 11, 2017

Serial Number 10176514 was reported as accurate.

rtwatches 943 · April 4, 2017

Serial Number 10176514 was reported as accurate.

Anonymous · March 26, 2017

Serial Number 10173698 was reported as accurate.

Changes since this report was submitted:
Size changed from 10 to 0

Anonymous · March 1, 2016

Serial Number 10175871 was reported as accurate.

Changes since this report was submitted:
Size changed from 10 to 0

Anonymous · September 18, 2013

Serial Number 10174861 was reported as accurate.

Changes since this report was submitted:
Size changed from 10 to 0

Anonymous · June 11, 2013

Serial Number 10174467 was reported as accurate.

Changes since this report was submitted:
Size changed from 10 to 0

Anonymous · February 26, 2013

Serial Number 10174861 was reported as accurate.

Changes since this report was submitted:
Size changed from 10 to 0
Waltham Grade No. 1015 Pocket Watch