The Rolex Submariner, known as the "Smurf" for its black dial variation, is a unisex dive watch. Key features include an analog display with date function at 3 o'clock, automatic movement (calibre 3235), chronometer certification, approximately 70-hour power reserve, screw-down crown, sapphire crystal glass resistant to scratches, luminous hands and markers for light visibility under low-light conditions, Uni-directional rotating bezel in white gold with a blue ceramic insert ring. The case is crafted from solid 18ct white gold, measuring 41mm round shape, equipped with an Oyster bracelet link, solid case back, and water-resistant up to 300 meters or 1000 feet.
![Rolex Oyster Perpetual Datejust 36 Black Dial Stainless Steel and Yellow Gold Ladies Watch [116243BKSO]](https://cdn.lepodium.net/images/000/085/85228-2.jpg)
