This Chronomaster El Primero Full Open has a 38 mm stainless steel case with a fixed bezel. Skeleton dial with rhodium plated, faceted and coated with Super Luminova SLN C1 hands and index hour markers. Central chronograph hand 12-hour counter at 6 o'clock and 30-minute counter at 3 o'clock. Date indication at at 4:30 o'clock. Black calfskin leather strap with protective rubber lining with stainless steel triple folding clasp. El Primero 400, automatic, beats at 36,000 vph, 31 Jewels, 278 components & an approximate power reserve of 50 hours. Water resistance up to 100 m. 330 ft. Ref: 03215340078C813