The TUDOR Black Bay Chrono S&G has a self-winding movement contained within a 41mm steel case. The fixed bezel is made of yellow gold with a black anodized aluminum disc and engraved with a tachymeter scale. The watch features a yellow gold screw-down winding crown with the TUDOR rose in relief. Yellow gold screw-down pushers are placed at 2 and 4 o’clock. The black dial is domed and is protected by domed sapphire crystal. Features include a date window and chronograph function. The black fabric strap has a steel buckle. Waterproof to 200 meters.