Rolex caliber 3156
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Brand: | Rolex |
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Reference: | 3156 |
Base: | Rolex 3155 |
Movement: | Automatic |
Display: | Analog |
Diameter: | 28.50 |
Jewels: | 31 |
Reserve: | 48 |
Frequency: | 28800 |
Date: | Date, Day |
Hands: | Hours, Minutes, Seconds |
Additionals: | Chronometer |
3156 description
The Day-Date II is equipped with the calibre 3156, a selfwinding mechanical movement entirely designed and manufactured by Rolex. It features a day and date calendar disc mechanism. The 3156 is fitted with a Parachrom hairspring and high performance Paraflex shock absorbers developed by Rolex, offering greater resistance to shocks and to extreme conditions. Like all Rolex Perpetual movements, the 3156 is a certified Swiss chronometer, a designation reserved for high-precision watches that have successfully passed the Swiss Official Chronometer Testing Institute (COSC) tests. Its architecture, in common with all Oyster watch movements, makes it singularly reliable.