Zenith - El Primero Perpetual Calendar Watch 18.2180.4003/01.C713

42mm 18K rose gold case, transparent sapphire glass back, silver sunray dial with gold-plated rhodium hands treated with Superluminova, automatic El Primero 4003 movement with hours and minutes, small second, moonphase, perpetual calendar, chronograph, approximately 50 hours of power reserve, rubber lined brown alligator leather strap with gold folding buckle. Water resistant to 10 ATM.