Mens Zenith Chronomaster T Open Watch, stainless steel case (40mm diameter) with see-through sapphire crystal caseback, crocodile leather strap with stainless steel triple-folding buckle, grey (#76-C505), white (#02-C505), or black (#22-C505) dial with silver hands and applied silver Roman numerals, open dial showing the escapement mechanism at 10 o'clock, power reserve indicator at 6 o'clock, El Primero #4021 self-winding mechanical movement with chronograph functions, scratch-resistant sapphire crystal, water-resistant to 30 meters.