Rolex Yacht-master 40mm 16623CSO Men’s Silver-tone

Crystal: Sapphire Crystal. Sapphire crystal is a good choice because its hardness is very high, Mohs hardness is as high as 9, second only to diamond, and its hardness is almost 3 times that of mineral glass and 20 times that of acrylic mirrors. Tips: The A Replica is applied with mineral glass instead of sapphire.

Luminiscence: Hands and Markers. As you can see in the pictures above, the luminescence of the watch is hands and markers. It can help you know the corresponding time when you running in dark.

Dial Markers: luminous dot. We can use watches with luminous dots, which is a technology that makes watches more exciting and exciting. It can help you see the time in the dark. A person can determine whether it is morning or evening from the sitting posture when he looks at the dial of the watch and from where he looks.

Function: Date, Hour, Minute, Second. The watch is the most important device in our daily life. The minute hand is used to estimate the current time, and the stop hand is used to estimate the time based on the interval.

Bezel Material: Stainless Steel. The bezel, made of stainless steel bezel, has been around since ancient times. It has been used as a decorative material for watches and clocks for more than two thousand years. A watch face made from stainless steel bezel materials can withstand extreme temperatures.

Clasp: Fold Over Clasp. The clasp design of the watch to make it easier and quicker for the user to open and fold the case over to keep it secure.

Band Material: 316L. The band uses 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.