Aquanaut 5060

The first Aquanaut (press release July 1997) and the first Patek on a rubber strap: brushed steel case with the Nautilus-style octagonal bezelBezelThe frame surrounding the crystal at the front of a watch., screw-down back and crown, black embossed dial with white-gold Arabic numerals and luminous handsLuminous handsHands containing light-emitting material, often within an opening in a metal frame. The description alone does not identify the luminous compound or establish whether it has been replaced., steel folding clasp with Calatrava cross. Smaller than the 37.5 mm Nautilus 3800.