IWC Portofino Hand-Wound Moon Phase Watch - 45.0 mm 5N Gold Case - Slate-Grey Dial - Dark Brown Alligator Strap - IW516403 IW371604 With an impressive 72-hour power

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

MFG Reference # H42415551

screw-down Everose gold crown

blue fabric strap

utilizing the caliber 3235 with a base caliber of 3135 and 31 jewels

IWC Portofino Hand-Wound Moon Phase Watch - 45.0 mm 5N Gold Case - Slate-Grey Dial - Dark Brown Alligator Strap - IW516403 IW371604 With an impressive 72-hour power45. 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.