IWC Big Pilot Perpetual Calendar in stainless steel, Ref# IW503605. On the original leather strap with a stainless steel deployant buckle. This watch will fit up to an 8.00- inch wrist. Smooth bezel with a sapphire crystal and a sapphire display caseback. The case diameter is 46 mm. Self-winding movement with sub-seconds, date, month, day, year, and a 7-day power reserve. Blue dial with painted Arabic numerals and applied luminescent hour markers, and luminescent-filled hands. With the outer box, box, travel case, booklets, cloth, and papers dated August 2022. Condition: Rarely worn--Can't find a single mark, scratch, or sign of wear anywhere on this watch. No scratches on Sapphire crystals (either), no marks on bezel or case, caseback or sides of case. Seriously, one look at this watch and you'd swear this watch was never worn. All pictures are of actual watch. Strap/Buckle: fitted to original IWC midnight blue leather 'Big Pilot Rivets' calfskin strap and Newest Generation IWC folding deployant buckle in stainless steel. No signs of wear on strap or buckle, strap is curved from sitting on IWC pillow. Both strap and buckle are original IWC with appropriate brand stamps and hallmarks. 46mm Stainless Steel Case: The watch maintains the classic Big Pilot aesthetic—an oversized, commanding presence on the wrist (15.4mm thick) with a large, screw-in conical crown