IWC Portofino Hand-Wound Moon Phase Watch - 45.0 mm 5N Gold Case - Slate-Grey Dial - Dark Brown Alligator Strap - IW516403 IW371604 while the impressive power reserve

while the impressive power reserve guarantees uninterrupted performance for 72 hours

Revel in the harmony of its center hour and minute hands

With an impressive 72-hour power reserve and waterproofing up to 100 meters (330 feet)

Case Description Transparent Caseback

IWC Portofino Hand-Wound Moon Phase Watch - 45.0 mm 5N Gold Case - Slate-Grey Dial - Dark Brown Alligator Strap - IW516403 IW371604 while the impressive power reserve45. 0 mm 18K 5N gold case, 13. 2 mm thick, see through sapphire glass back, arched edge sapphire glass crystal with antireflective coating on both sides, slate grey dial, calibre 59800 movement with date, hours, minutes, small seconds, moonphase, power reserve indicator, approximately 192 hours of power reserve, dark brown alligator leather strap by santoni. Water resistant to 3 bar.