Rolex watch has been made of 18ct yellow gold, white gold and rose gold keep its unique shine, as those pure alloy are designed by Rolex and processed among Rolex works. 18ct yellow gold and rose gold has its shines, as it adds little platinum. The Oyster case is the great model of water resistance. This case reaches 36mm and is waterproof to at least 100 meters, therefore it is the best symbol of solidness, grace and perfect proportion. The winding system is Rolex dual-lock water-resistance system, and is firmly screwed to the case with Rolex own tool. Triangular patterns features Rolex case, and it is the classic elements on Rolex, as you can see it on every Rolex watches. the mirror is made of anti-scratch mirror, and at 3 o’clock, there is a small protruding lens for the convenience of reading. The completely sealed Rolex Oyster case provide the most protection for highly precise movement.
3155 movement—the top chronograph movement
3155 chronograph movement is completely developed by Rolex. This is an automatic winding movement. Just like other Rolex perpetual movement, 3155 movement also passed Swiss COSC test, so the precision is definitely guaranteed. The kernel part of the movement—the balance wheels components—is made of Rolex blue Parachrom hairspring which is completely immune to magnetism, and maintains a stable performance even under the high temperature. What’s more, it is 10 timers harder than other movements when it comes to the anti-shock performance. What fits the brand new Rolex Oyster Perpetual Datejust is a comfortable belt which is made of alligator skin. The clear texture on it makes it look nobler. Deluxe alligator skin belt is a perfect matching with the Rolex crown made of 18 ct yellow gold. The buckle is a highly-flexible one that you can adjust the length of bracelet.