Analog, silver-tone dial with yellow gold-tone markers and hands. Yellow Gold-Tone Oyster Perforated Bracelet crafted from 18kt yellow gold and stainless steel. Fixed Tachymeter Scale bezel in yellow gold-tone 18kt material. Scratch resistant Sapphire crystal lens. Silver-tone stainless steel case equipped with Screw down crown and Solid case back. Analog Dial Type features Minute markers around the outer rim. Hour Markers are luminous indices, Hands also possess Luminescent properties. Chronograph movement includes Sub-dials displaying: 30 minute, 60 second, and 12 hour chronograph functions. Powered by Rolex Calibre 4130 Automatic mechanical movement with a frequency of 28800 vph (5 Hz) containing 44 Jewels and offering approximately 72 hours power reserve. Men's Round watch case measuring 40 mm in size. Fold over clasp equipped with safety release mechanism for secure fastening. Water resistant to 100 meters / 330 feet depth.