IWC Portofino Hand-Wound Tourbillon Retrograde Watch - 45.0 mm 5N Gold Case - Silver Dial - Dark Brown Alligator Strap - IW516501 Milanaise 4 mm 18K armor gold®

4 mm 18K armor gold® case

power reserve indicator

approximately 39 months of power reserve

41 mm 950 platinum case

stainless steel bracelet with milanaise mesh

IWC Portofino Hand-Wound Tourbillon Retrograde Watch - 45.0 mm 5N Gold Case - Silver Dial - Dark Brown Alligator Strap - IW516501 Milanaise 4 mm 18K armor gold®45. 0 mm 18K 5N gold case, 14. 1 mm thick, see through sapphire glass back, arched edge sapphire glass crystal with antireflective coating on both sides, silver plated dial, calibre 59900 movement with date, hours, minutes, power reserve indicator, tourbillon escapement, approximately 192 hours of power reserve, dark brown alligator leather strap by santoni. Water resistant to 3 bar.