Pocket Watch Database
Access Date: December 10, 2023
From the American Horology Archive:
Ball - Hamilton
|Manufacturer:||Ball - Hamilton|
|Movement Serial Number:||644313|
|Estimated Production Year:||1910|
|Grade/Model Run:||1 of 1|
|Grade/Model Total Production:||100|
|Finish Pattern:||Circular Damascening|
|Adjusted # of Positions:||5|
|Adjusted to Temperature:||Yes|
|Movement Markings:||Official RR Standard, Adjusted 5 Positions, Double Roller, Motor Barrel|
|PWDB Absolute Rarity Index: |
Scoped for Grade/Size/Model/Configuration
|PWDB Relative Rarity Index: |
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
|Share of Production: |
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
|Registry Population:||2 (2.00%)|
Research Note: Ball (1908 Patent) Hairspring Stud
Population Registry for This Run
|Image||Serial Number||Run Position||Primary Identification Method||Discovery Date|
There are 2 watches in the population registry for this run with 1 image.
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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.
cnfdcwby 1 · March 22, 2017
Serial Number 644372 was reported as accurate.