Pocket Watch Database
https://pocketwatchdatabase.com/search/result/ball-waltham/B269940
Access Date: March 28, 2024
From the American Horology Archive:
Ball - Waltham
Grade: Official Standard
Manufacturer: | Ball - Waltham | |
Manufacturer Location: | Waltham, Massachusetts | |
Movement Serial Number: | B269940 | |
Grade: | Official Standard | |
Model: | 1899 | |
Estimated Production Year: | 1920 | |
Run Quantity: | 100 | |
Grade/Model Run: | 92 of 107 | |
Grade/Model Total Production: | 71,861 | |
Size: | 16s | |
Jewels: | 21j | |
Jewel Setting: | Gold Settings (Screw-Set) | |
Movement Configuration: | Openface | |
Movement Finish: | Nickel | |
Finish Pattern: | Circular | |
Movement Setting: | Lever | |
Plate: | 3/4 Plate | |
Regulator: | Reed | |
Hairspring: | Breguet | |
Adjusted: | Yes | |
Adjusted to Position: | Yes | |
Adjusted # of Positions: | 5 | |
Adjusted to Temperature: | Yes | |
Adjusted to Isochronism: | Yes | |
Railroad Grade: | Yes | |
Railroad Grade Classification: | Class A | |
U.S. Patents: | D32330 | |
Case: | Various | |
Database Version: | v52.219 | |
Advanced Metrics | ||
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 212.76 | |
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 1,381.31 | |
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 75.276% | |
Research Note: Corresponds to Waltham Serial run starting with #23,269,901
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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.