IWC Portugieser Annual Calendar Watch - 44.2 mm Red Gold Case - Silver Dial - Black Alligator Strap - IW503504 rolex-air-king the 4131 manufacture Rolex perpetual

the 4131 manufacture Rolex perpetual movement orchestrates a mechanical chronograph

42 mm 18K red gold case

Automatic caliber BALL RR1103

this watch is a paragon of chronometric accuracy

exudes refinement and clarity

IWC Portugieser Annual Calendar Watch - 44.2 mm Red Gold Case - Silver Dial - Black Alligator Strap - IW503504 rolex-air-king the 4131 manufacture Rolex perpetual44. 2 mm 18K red gold case, 15. 3 mm thick, sapphire back, sapphire crystal with arched edge, antireflective coating on both sides, silver plated dial, caliber 52850 pellaton automatic winding movement with power reserve display, annual calendar with displays for the date, day and month, small hacking seconds at 9 oclock, approximately 7 day of power reserve, black alligator leather strap. Water resistant to 3 bar.