IWC Portugieser Perpetual Calendar Watch - 44.2 mm White Gold Case - Midnight Blue Dial - Black Alligator Strap - IW503401 Great border-collapse: collapse

border-collapse: collapse

Crown Screw Down Bezel Stainless Steel Movement Automatic Hands Luminous Dial Color Blue Dial Type Analog Dial Markers Petite Tapisserie Band Material Steel Clasp AP Folding Clasp Additional Info Water Resistance 50 Meters (165 Feet) Gender Unisex

while the screw-down crown guarantees water resistance up to 100 meters

Power Reserve: 168 hours

IWC Portugieser Perpetual Calendar Watch - 44.2 mm White Gold Case - Midnight Blue Dial - Black Alligator Strap - IW503401 Great border-collapse: collapse44. 2 mm 18K white gold case, 14. 9 mm thick, see through sapphire glass back, arched edge sapphire glass crystal with antireflective coating on both sides, midnight blue dial, calibre 52615 automatic movement with date, day, month, perpetual calendar, year indicator, hours, minutes, small seconds, moonphase, power reserve indicator, approximately 168 hours of power reserve, black alligator leather strap by santoni. Water resistant to 3 bar.