IWC Portugieser Perpetual Calendar Watch - 44.2 mm 5N Gold Case - Silver Dial - Dark Brown Alligator Strap - IW503302 IW377717 meticulously engraved with a tachymetric

meticulously engraved with a tachymetric scale in 18K Everose gold

800 alternations/hour

It has an alligator leather strap with a stainless steel deployant buckle

polished and satin-finished titanium bezel with 6 H-shaped titanium screws

IWC Portugieser Perpetual Calendar Watch - 44.2 mm 5N Gold Case - Silver Dial - Dark Brown Alligator Strap - IW503302 IW377717 meticulously engraved with a tachymetric44. 2 mm 18K 5N gold case, 14. 9 mm thick, see through sapphire glass back, arched edge sapphire glass crystal with antireflective coating on both sides, silver plated dial, calibre 52610 automatic movement with date, day, month, perpetual calendar, year indicator, hours, minutes, small seconds, moonphase, power reserve indicator, approximately 168 hours of power reserve, dark brown alligator leather strap by santoni. Water resistant to 3 bar.