Grand Seiko Evolution 9 Spring Drive U.F.A Ushio 300 Diver 40.8mm Watch wedding-band The timepiece conforms to the

The timepiece conforms to the ISO 6425 norm for scuba diving and comes with a water resistance of 300 metres and features luminescent markings for reading in low light

Functionality: The watch is designed for impeccable timekeeping

5 combines the codes of diving watches with a refined aesthetic while defying time with its Swiss automatic movement that allows up to 80 hours of autonomy

A 42mm Super Titanium™ case in grey DLC solidifies the design

Wrap yourself in the warmth and brilliance of the Hearts on Fire 18 Karat Yellow Gold Optima Wrap Ring

Grand Seiko Evolution 9 Spring Drive U.F.A Ushio 300 Diver 40.8mm Watch wedding-band The timepiece conforms to theIn 2025, Grand Seiko unveiled the Spring Drive Caliber 9RB2, a groundbreaking movement that received the then new U. F. A. designation, standing for Ultra Fine Accuracy. Boasting an annual accuracy rate of 20 seconds, Caliber 9RB2 earned the distinction of being the most accurate wristwatch movement powered by a mainspring.* This model is powered by Caliber 9RB1, featuring an improved construction that makes it ideal for sporting conditions while