Ultra‑Chron zenith and Grand Seiko’s signature Spring

and Grand Seiko’s signature Spring Drive precision

evoking the strength and flow of the Pacific waters near Japan

destined to be one-off’s

Rhodiumized white gold 750/1000 octagonal crown set with a brilliant-cut diamond

Ultra‑Chron zenith and Grand Seiko’s signature SpringAutomatic watch, 43. 00 mm, stainless steel and sapphire, L2. 836. 4. 52. 2 Self winding mechanical movement beating at 36'000 vibrations per hour, with a monocrystalline silicon balance spring power reserve up to 52 hours. Screw in crown unidirectional rotating bezel, water resistant to 30 bar, scratch resistant sapphire crystal, with several layers of anti reflective coating on both sides. Black dial, swiss super luminova. Leather strap bracelet,