Oris Aquis Depth Gauge (01 733 7675 4754-SET RS). Automatic movement with central second hand and date window at 6 o'clock. Black dial with Superluminova indicators, 46mm black DLC plated steel case with rotaring bezel and screw down crown. Sapphire crystal on top that allows the water to enter a channel and correspond to the yellow depth scale depicted on dial. Solid case back with engraved meters to feet conversion scale. Water resistant to 500M. Yellow rubber strap and black DLC plated steel folding clasp. Additional black rubber strap and black DLC plated folding buckle included in the set.