IWC 5101 Portofino Hand Wound Eight Days, 5101-06, IW510106, 510106, Stainless Steel on a Strap with a Stainless Steel Tang Buckle, Manual Wind Movement, Date Window at 3 O'Clock, Small Seconds Hand Sub-Dial Located at the 6 O'Clock Position, Power Reserve Indicator Located at the 9 O'Clock Position, Blue Dial with Applied Silver Index Hour Markers, Diameter: 45 mm, Thickness: 12 mm, Sapphire Crystal, Water Resistant, Diameter: 45 mm, Thickness: 12 mm, Mint with Box and Papers.