Pocket Watch Database


From the American Horology Archive:
Waltham Grade Crescent St. Pocket Watch
Waltham Grade Crescent St. Pocket Watch

American Waltham Watch Co.

Grade: Crescent St.

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 520525 Question Mark
Grade: Crescent St. Question Mark
Variation: KWKS Question Mark
Model: 1870 Question Mark
Estimated Production Date: October 1870 - May 1, 1871 Question Mark
Run Quantity: 700 Question Mark
Grade/Model Run: 11 of 22 Question Mark
Grade/Model Total Production: 17,880 Question Mark
Size: 18s Question Mark
Jewels: 15j Question Mark
Movement Configuration: Adaptable Question Mark
Movement Finish: Gilt Question Mark
Movement Setting: Key Question Mark
Plate: Full Plate Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Case: Various Question Mark
Run ID: 4843.G11.18S4503.181870M11.A11.K4833.15J1187 Question Mark
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
Question Mark
Database Version: v52.457 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
32.75 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
29.81 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.033% Question Mark
Registry Population:
Scoped for This Run Only
5 (0.71%) Question Mark

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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.


Rcardkidz 4054 · December 5, 2022

Serial Number 520356 was reported as accurate.

Anonymous · August 30, 2022

Serial Number 520704 was reported as accurate.

Anonymous · April 30, 2021

Serial Number 520650 was reported as accurate.

Anonymous · December 4, 2019

Serial Number 520434 was reported as accurate.

Anonymous · June 9, 2019

Serial Number 520356 was reported as accurate.

Anonymous · October 8, 2018

Serial Number 520620 was reported as accurate.

Anonymous · September 12, 2018

Serial Number 520311 was reported as accurate.

Anonymous · September 12, 2018

Serial Number 520311 was reported as accurate.

Anonymous · April 26, 2018

Serial Number 520548 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · January 4, 2018

Serial Number 520386 was reported as accurate.

Anonymous · January 16, 2017

Serial Number 520346 was reported as accurate.

Anonymous · March 25, 2016

Serial Number 520732 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Gilt
Waltham Grade Crescent St. Pocket Watch
Waltham Grade Crescent St. Pocket Watch