dcooper · May 18, 2024
Serial Number B230580 was reported as accurate.
| Manufacturer: | Ball - Waltham | ? |
| Movement Serial Number: | B230580 | ? |
| Grade: | Official Standard | ? |
| Model: | 1899 | ? |
| Estimated Production Year: | 1908 | ? |
| Run Quantity: | 300 | ? |
| Grade/Model Run: | 58 of 107 | ? |
| Grade/Model Total Production: | 71,861 | ? |
| Variant Est. Production: | 19,000 (16S-M1899-21J-O-L) | ? |
| 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 | ? |
| Movement Markings: | Official RR Standard Ball Watch Co. Cleveland, O. 21 [Plugged] Jewels Adjusted 5 Positions Sapphire Pallets Trade Mark Pat.Nov.17.96 | ? |
| Case: | Various | ? |
| Database Version: | v52.978 | ? |
| Advanced Metrics | ||
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Research Note: #B230708: 21j (Plugged); Corresponds to Waltham Serial run starting with #15,230,001
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Verification reports help confirm surviving examples and flag data that needs further research.
The following reports have been submitted by members in reference to this production run. These reports help verify data and track inaccuracies that require further research.
Serial Number B230580 was reported as accurate.
Serial Number B230508 was reported as accurate.
Serial Number B230530 was reported as inaccurate.
Serial Number B230593 was reported as inaccurate.
Serial Number B230523 was reported as inaccurate.
Serial Number B230589 was reported as inaccurate.
Serial Number B230523 was reported as accurate.
Serial Number B230708 was reported as inaccurate.
Serial Number B230705 was reported as inaccurate.