Pocket Watch Database


From the American Horology Archive:

American Waltham Watch Co.

Grade: Lady Waltham

(Alternatively Grade Maximus)

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 22135720 Question Mark
Grade: Lady Waltham Question Mark
Model: L-10 Question Mark
Estimated Production Year: 1918 Question Mark
Run Quantity: 2,000 Question Mark
Grade/Model Run: 7 of 43 Question Mark
Grade/Model Total Production: 118,500 Question Mark
Size: 10L Question Mark
Jewels: 17j Question Mark
Movement Configuration: Hunting 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: 23979.G230.S19.M18.H8142.P9028.17J2602 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.427 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
347.74 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
316.44 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.346% Question Mark
Registry Population:
Scoped for This Run Only
1 (0.05%) 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.


Anonymous · August 16, 2021

Serial Number 22135054 was reported as accurate.

Anonymous · April 8, 2019

Serial Number 22135856 was reported as inaccurate.

Note: Dial and movement marked Tiffany. Movement also
marked Waltham.

15 jewel not 17 jewel
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Anonymous · April 12, 2013

Serial Number 22135005 was reported as inaccurate.

Note: SIGNED "MADE EXPRESSLY FOR TIFFANY & CO. " ON
PLATE AND "WALTHAM". 15j, 10L - NOT 10s
Changes since this report was submitted:
Size changed from 10 to 10l
Movement Configuration changed from Openface to Hunting