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Brand: | Rolex | 
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|---|---|---|---|
| Family: |
Unknown
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| Height: | |||
| Jewels: | |||
| Reserve: | 55 hours | ||
| Frequency: | 28800 A/h | ||
| Winding: | Automatic, Bi-Directional Automatic Winding, Central Rotor Automatic Winding | ||
| Diameter: | |||
| Rolex Cal. 2236 © Rolex | Complications: | Date, Hacking Seconds, Quick Date Correction | |
| Hands: | Central Hour Hand, Central Minute Hand, Central Seconds Hand, Date Window at 3:00 | ||
| Distinguishing Technical Characteristics | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
 Central-Rotor Automatic  Balance Bridge |
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| Production: – Current | |||||||||||
| 1910s | 1920s | 1930s | 1940s | 1950s | 1960s | 1970s | 1980s | 1990s | 2000s | 2010s | 2020s |
Cal. 2236 is an automatic movement from Rolex with date. It features a Syloxi silicon hairspring.
- Rolex Datejust 31 (-present), Ref. 278200
- Rolex Lady-Datejust (-present), Ref. 279300
- Rolex Yacht-Master 37 (-present), Ref. 268600