The Perpetual movements that equip the Oyster models, through their precision and reliability, play an integral part in the reputation for excellence of Rolex watches.
These mechanical self-windingmovements, all rigorously certified as chronometers by the Swiss Official Chronometer Testing Institute (COSC), are entirely designed and manufactured by Rolex.
All the Perpetual movements meet the same requirements: excellent chronometric precision, great reliability, exceptional shock resistance, efficient self-winding and ease of certified maintenance.
