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Brand: | Sellita | 
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|---|---|---|---|
| Family: | |||
| Height: | 7.90 mm | ||
| Jewels: | 25 | ||
| Reserve: | 48 hours | ||
| Frequency: | 28,800 A/h | ||
| Winding: | Automatic, Central Rotor Automatic Winding | ||
| Diameter: | 30.00 mm (13.25 ligne) | ||
| Complications: | Cam Switching Chronograph, Chronograph, Date, Hacking Seconds, Monopusher Chronograph, Quick Date Correction | ||
| Hands: | 15 Minute Chronograph Hand at 12:00, Central 60 Second Chronograph Hand, Central Hour Hand, Central Minute Hand, Date Window at 6:00 | ||
| Distinguishing Technical Characteristics | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
 Central-Rotor Automatic  Clockwise Balance Cock  Screw Regulator |
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| Production: 2018 – Current | |||||||||||
| 1910s | 1920s | 1930s | 1940s | 1950s | 1960s | 1970s | 1980s | 1990s | 2000s | 2010s | 2020s |
Sellita Cal. SW501 MP a is an automatic monopusher chronograph movement with date in the Sellita SW500 family. It is based on the ETA 7750 design and shares many components with that movement. Sellita introduced the monopusher MP function in 2018.
This movement features a single button at 2:00 for chronograph start/stop/reset. It has a date window at 6:00 and a 15 minute chronograph counter at 12:00.
Sellita SW500 MP Variants
| Date at 6:00 Chonograph Minutes at 12:00 | Date at 3:00 Chronograph Minutes at 12:00 Small Seconds at 9:00 | Date at 3:00 Small Seconds at 9:00 | |
|---|---|---|---|
 |  |  | |
| No Chronograph Counters | SW500 MP c | ||
| 30 Minute Counter | SW500 MP a | SW500 MP b | |
| 15 Minute Counter | SW501 MP a | SW501 MP b |