Portofino Hand-Wound Eight Days 45mm Blue Dial Strap WatchEx Display IWC Portofino Hand Wound Eight Days 45mm Blue Dial Strap Watch IW510106. Stainless steel 45mm case and bezel all on a black alligator leather strap. This men's watch has a blue sunray dial with polished hands and hour indexes, date display at the 3, small seconds at the 6 & power reserve indicator at the 9 o'clock positions. Water resistant up to 30m and sapphire crystal glass. Manual wind movement. Two year international warranty on all