IWC Portugieser Perpetual Calendar 42 - 18K 5N Gold Case - Silver-Plated Dial - IW344202 Liquid 42 mm polished yellow sapphire

42 mm polished yellow sapphire crystal case

Calibre Omega 9900 self-winding co-axial master chronometer movement with chronograph

BRAND Audemars Piguet SERIES Royal Oak MODEL NUMBER 16204ST

diamond set crown

unidirectional rotating bezel that includes a black ceramic triangle at 12 o’clock

IWC Portugieser Perpetual Calendar 42 - 18K 5N Gold Case - Silver-Plated Dial - IW344202 Liquid 42 mm polished yellow sapphire42. 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.