A five-day Spring Drive watch inspired by Lake Suwa stirred by the breeze before dawn.
To the southeast of the Shinshu Watch Studio, where Spring Drive watches are made, one will find the gently lapping waters of Lake Suwa, a constant inspiration for Grand Seiko.

Caliber : 9RA2
Movement Type : Spring Drive
Accuracy : ±10 seconds per month (±0.5 second per day)
Exterior : Stainless steel
Case back : See-through & Screw case back
Glass Material : Dual-curved sapphire crystal
Glass Coating : Anti-reflective coating on inner surface
Case size : Diameter 40.0mm; Lug-to-lug 47.9mm; Thickness 11.8mm
Band width : 22mm
Water resistance : 10 bar
Magnetic resistance : 4,800 A/m

Other details / Features:

• Screw-down crown
• Power reserve indicator