Movement: Swiss automatic ETA movement. Chronometer. 21 jewels. 42-hours power reserve. Functions: Hours, minutes, seconds; date window. Dual time indicator hand. Case: 41mm stainless steel case. Sapphire crystal with double-sided anti-reflective coating. Sapphire crystal exhibition case back with double-sided anti-reflective coating. Water resistant to 3ATM (100 feet). Dial: Chocolate galvanic dial with guilloche center zone. Applied silver Arabic number numerals and indexes. Strap: Marron Nubuck matte alligator strap with stainless steel deployant clasp.