Swiss RSW Nazca Valjoux Chronograph watch. Comes with Original RSW luxury box, Tag, 2 years valid international warranty from date of purchase. Model: RSW4450-SL-2 Dial: Grey. Silver colored hands filled with lume and silver real indexes. Case size: 48mm, 52mm with the crown, 14 mm thickness Case material: Stainless steel, polished. Crystal: Sapphire crystal Movement: Swiss Made ETA 7750 Valjoux, Chronograph, Mechanical Automatic Strap: Brown genuine leather strap with pin buckle clasp. 22mm width WR: 100m (10ATM, 330ft) Functions: hours, minutes, stop seconds at center. Day-Date window at 3 o'clock. Chronograph counters 30 minutes counter at 12 o'clock, small second at 9 o'clock, and 12 hours counter at 6 o'clock.