Pocket Watch Database
https://pocketwatchdatabase.com/search/result/ball-waltham/B261921
Access Date: January 21, 2025
From the American Horology Archive:
Ball - Waltham
Grade: Official Standard
| Manufacturer: | Ball - Waltham |  |
| Manufacturer Location: | Waltham, Massachusetts | |
| Movement Serial Number: | B261921 | |
| Grade: | Official Standard | |
| Model: | 1899 | |
| Estimated Production Year: | 1918 | |
| Run Quantity: | 500 | |
| Grade/Model Run: | 82 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: | v52.563 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 214.04 | |
| 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% | |
| Registry Population: Scoped for This Run Only | 1 (0.20%) | |
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Research Note: Corresponds to Waltham Serial run starting with #22,261,901
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Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
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There is 1 watch in the population registry for this run.
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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.
rmwatchandclock Supporter 377 · November 29, 2022
Serial Number B262209 was reported as accurate.
Anonymous · January 31, 2022
Serial Number B262079 was reported as accurate.
geneholt352 2 · April 21, 2021
Serial Number B262076 was reported as accurate.
Anonymous · March 30, 2021
Serial Number B262076 was reported as accurate.
Anonymous · May 26, 2019
Serial Number B262148 was reported as accurate.
Anonymous · June 6, 2018
Serial Number B262209 was reported as accurate.
Anonymous · May 25, 2018
Serial Number B262209 was reported as accurate.
Anonymous · May 5, 2018
Serial Number B262209 was reported as accurate.
Anonymous · December 3, 2017
Serial Number B262227 was reported as accurate.
Anonymous · May 31, 2016
Serial Number B262214 was reported as inaccurate.
Anonymous · August 15, 2015
Serial Number B262039 was reported as inaccurate.
Anonymous · March 16, 2015
Serial Number B262242 was reported as inaccurate.
zipzillan 9 · November 17, 2014
Serial Number B261933 was reported as inaccurate.
Timeswept2 92 · November 17, 2013
Serial Number B262006 was reported as inaccurate.
Movement setting: Lever
Railroad Grade: Yes
69abody 166 · October 26, 2013
Serial Number B262008 was reported as accurate.
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