Designed by the legendary Gerald Genta (who allegedly sketched it in five minutes on a restaurant napkin), it was an "luxury sports watch" made of steel, a material then considered inferior to gold or platinum.
The Nautilus, along with the Royal Oak, invented the "luxury steel sports watch" category. Its iconic porthole-inspired case, with its horizontally embossed dial and integrated bracelet, is a masterpiece of assertive yet elegant design. It is unmistakable.