IWC Portugieser Perpetual Calendar 42 - 18K 5N Gold Case - Silver-Plated Dial - IW344202 IW358304 caliber 324 S QR self-winding

caliber 324 S QR self-winding movement with perpetual calendar

6 mm thick

caliber 240 HU self-winding movement with World Time 24-hour and day/night indication for the 24 time zones

shiny black alligator strap with prong buckle

black alligator leather strap by Santoni

IWC Portugieser Perpetual Calendar 42 - 18K 5N Gold Case - Silver-Plated Dial - IW344202 IW358304 caliber 324 S QR self-winding42. 4mm 18K 5N gold case, 13. 8mm thick, see through sapphire glass back, convex sapphire glass crystal with antireflective coating on both sides, silver plated dial, calibre 82650 automatic movement with hours, minutes, small seconds, approximately 60 hours of power reserve. Water resistant to 3 bar.