217.30.42.21.01.002Ref

Debuting in 2025, the 217.30.42.21.01.002 sports a 42mm polished/brushed steel case, flat double-sided AR sapphire crystal, and 600m water resistance. A screw-in grade 5 titanium back with seahorse, a blue ceramic bezel with white enamel scale, and a polished grade 5 titanium inner ring frame the matte black dial with rhodium hands/indexes, white Super-LumiNova, and four white Arabic numerals. The Caliber 8912 beats at 3.5Hz with twin barrels, ~60h reserve, and a free-sprung silicon balance offering 15,000 gauss resistance; the watch is on a polished-brushed steel bracelet with extendable rack-and-pusher clasp and diver extension.