octagonal crown set with a faceted synthetic spinel
sun-brushed champagne dial with diamond hour markers and scratch-resistant saphire crystal
dual bezel with a tachymeter scale on a brown aluminium ring while the outside is diamond-paved
polished black-plated bezel set with 36 diamonds totaling ~0
rhodium-plated and faceted polished
IWC Portugieser Annual Calendar Watch - 44.2 mm Stainless Steel Case - Silver Dial - Black Alligator Strap - IW503501 Ballon octagonal crown set with a44. 2 mm stainless steel 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.