Inspired by the pressure gauges of the first divers, Hydrosphere changes diving watch conventions with a single needle on the dial for a radical reading of the time.
RESERVOIR HYDROSPHERE BLUE HOLE
45mm, 316L Stainless Steel Case with satin finish.
Blue dial, Super-LumiNova white index, magnifier on the jumping-hour window.
Self-winding mechanical movement, 37 hours power reserve.
Complications: Retrograde minutes, jumping Hour, Power Reserve.
Patented proprietary 124-pieces module on ETA 2824-2 caliber.
Anti-reflective sapphire crystal.
Unidirectional, ceramic rotating bezel with double scale for reading the time at different diving depths before and after the retrograde minute hand’s return
Screwed back, screw-down crown, watertight up to 250m.
316L stainless steel strap screwed onto the body, brushed finishing with a bladed folding clasp and an extension system.
Additional rubber strap included.