Pocket Watch Database

From the American Horology Archive:

American Waltham Watch Co.

Grade: No. 687

Manufacturer: Waltham Question Mark
Manufacturer Location: Waltham, Massachusetts Question Mark
Movement Serial Number: 29969998 Question Mark
Grade: No. 687 Question Mark
Model: L-670 Question Mark
Estimated Production Year: 1939 Question Mark
Run Quantity: 10,000 Question Mark
Grade/Model Run: 9 of 15 Question Mark
Grade/Model Total Production: 136,400 Question Mark
Size: 6.75L Question Mark
Jewels: 17j Question Mark
Movement Configuration: Openface Question Mark
Hairspring: Breguet Question Mark
Adjusted: Yes Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 25709.G9.S9.M9.O15958.U84.17J3066 Question Mark
Data Research: 1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Question Mark
Database Version: v52.560 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
410.85 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
373.71 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.408% Question Mark
Registry Population:
Scoped for This Run Only
4 (0.04%) Question Mark
Research Note: Waltham Serial Ledgers designate this run as Grade "No. 687" with 17 Jewels. However, #29969543 has been confirmed as containing 9 Jewels. #29969072 has been reported as containing 9 Jewels.

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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 · September 12, 2023

Serial Number 29969656 was reported as accurate.

Anonymous · April 22, 2019

Serial Number 29969269 was reported as inaccurate.

Note: 21j, adjusted to temperature
barrel marked 'Premier Jeweled Main Wheel'

Anonymous · November 15, 2018

Serial Number 29969675 was reported as inaccurate.

Note: Waltham Premier colonial number 29969675 Marked
nine jewels
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection so we can take a closer look.

Anonymous · November 15, 2018

Serial Number 29969675 was reported as accurate.

Anonymous · October 2, 2018

Serial Number 29969072 was reported as inaccurate.

Note: #29969072 is 9 jewels not 17 jewels

texnet 684 · August 31, 2018

Serial Number 29969998 was reported as accurate.

cmdraven 4083 · May 18, 2018

Serial Number 29969369 was reported as accurate.