Patek Philippe caliber 31-260 REG QA
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| Brand: | Patek Philippe |
|---|---|
| Reference: | 31-260 REG QA |
| Movement: | Handwound |
| Display: | Analog |
| Diameter: | 32.00 |
| Jewels: | 31 |
| Reserve: | 48 |
| Frequency: | 23040 |
| Date: | Annual Calendar, Date, Day, Month |
| Hands: | Hours, Minutes, Small Seconds, Day / Night Indication |
31-260 REG QA description
Somewhat surprisingly, caliber 31-260 REG QA combines a regulator-style lay-out with an annual calendar and a microrotor winding system. The Gyromax balance, Spiromax balance spring and Pulsomax escapement beat at an unusual frequency of 23040 bph.
