Rolex Daytona 116503BKSO Men’s 40mm Oysterlock

Band Material: 316L. The band is made of solid 316L steel, which is a very strong and corrosion-resistant steel. It has the same strength as the most popular grades (HRC52, HRC55), but only half the weight. Compared with competitors, the production cost of stainless steel is also higher.

Clasp: Fold Over Clasp. The clasp design of the watch which is more durable and stylish.

Crystal: Sapphire Crystal. We use sapphire crystal for the watch, which is a very common glass that can protect your watch from scratches.

Hands: Gold-Tone. As you can see in the pictures above, the hand design of the watch is gold-tone, which can highly improve the outlook of the watch.

Power Reserve: 40 Hours. If you are looking for a good power reserve watch, we are your best choice, the watch is 40 hours power reserve that is long lasting and enduarable.

Water Resistance: 100 meters. We make the watch waterproof at 100 meters. But please make sure you close the crown properly.(The ordinary Automatic movement is just daily waterproof, need to purchase additional waterproof service which is up to 100 meters.)

Second Markers: Minute Markers around the outer rim. The small mark on the outer edge of the glass edge is one of the most recognized design elements in all industries, as shown in the picture above, the minute mark around the outer edge.

Engine: Rolex 7750 movement. The ETA 7750 3200-task Swiss movement was originally developed for civil aviation, but it has proven to be an excellent solution for timepieces. These actions are not only accurate to within 0.1 second at any temperature, but also reliable in the event of a power failure.

Watch Case: 316L. The case is the most important part of the watch. 316L is close to iron and generally does not affect the human body. This material is often used in the straps of Swiss watches.

Luminiscence: Hands and Markers. For the watch, the luminiscence is hands and markers. It helps you know the according time when in dark.