When launched in 1997, the Aquanaut created a sensation. It was young, modern and unexpected. Its case was a rounded octagon, inspired by that of the Nautilus. And it sported a “tropical” strap, made of a new composite material ultra-resistant to wear, salt water and uv radiation.
Quartz movement. Caliber E23-250 S C. Date in an aperture. Center sweep second hand. Bezel set with 46 diamonds (~1 ct). Dial: “Mysterious Black” embossed dial, gold applied numerals. "Tropical" composite strap. Aquanaut fold-over clasp. Case: steel. Screw-down crown. Solid case back. Water resistant to 120 m. Case diameter (10 - 4 o’clock): 35.6 mm. Height: 7.7 mm.