IWC Da Vinci Perpetual Calendar Chronograph Watch - 43.0 mm Stainless Steel Case - Slate Dial - Black Alligator Strap - IW392103 Chrono43. 0 mm stainless steel case, 15. 7 mm thick, see through sapphire glass back, arched edge sapphire glass crystal with antireflective coating on both sides, slate coloured dial, calibre 89630 automatic movement with date, day, month, perpetual calendar, year indicator, chronograph, flyback, hours, minutes, small seconds, moonphase, approximately 68 hours of power reserve, black alligator leather strap by santoni. Water resistant to 3 bar.
Glucydur beryllium alloy balance with high-precision adjustment cam on balance arms
blue mother-of-pearl dial with a wavy pattern extending from the iconic claws
It is rendered in steel with a mechanical movement for a classic appeal that never goes out of style
blue ceramic pushpieces and screw-locked crown
blue dial with Grande Tapisserie” pattern
caliber 2500 Self-winding chronometer movement with co-axial escapement and rhodium-plated finish
Calibre 2944 hand-wound movement with minute repeater
Water resistant to 30 metres (100 feet)
41 mm 950 platinum case
Calibre 3126 / 3840 Manufacture movement with chronograph
openworked dial with white mother-of-pearl off-centred disc and small seconds counter
grey ruthenium-toned inner bezel