Grand Seiko Evolution 9 Spring Drive 'Lake Suwa' SLGA021 locked One of the Diver 300M's

One of the Diver 300M's most important details has always been its helium escape valve

Thickness: 4

The perimeter of Band : 205mm

Bezel: Uni-directional rotating with ceramic 60-minute diver insert

Grand Seiko Evolution 9 Spring Drive 'Lake Suwa' SLGA021 locked One of the Diver 300M'sChanneling the gentle rhythm of the waters of Lake Suwa Lake Suwa sits to the southeast of the Shinshu Watch Studio, where Grand Seiko crafts all Spring Drive watches. The new Grand Seiko Evolution 9 Style SLGA021 is inspired by this serene body of water, featuring a dark blue dial that recalls gently lapping waves along the water's surface just before dawn. Representative of the Evolution 9 Style, the 40mm stainless steel case has a lower profile and