Grand Seiko SLGB023 Mechanical Evolution 9 Collection Spring Drive Diver's 300M watch 2026.6.5 release

Appearance: Bright titanium bezel: Bright titanium (display panel ceramic)
Back cover specification: Serrated back cover
Glass material: Sapphire
Coating: No reflective coating on the inner surface
Lumibrite: Yes (for hands and bezel)
Case size: 40.8mm in length, 48.5mm in width, 12.9mm in thickness
Band width: 21mm
Middle retention: Sliding lock extension with micro-adjustment mechanism movement
Caliber No. 9rb1 Instructions
Drive method: Spring-driven automatic winding (manual winding)
Drive time: Maximum winding time approximately 72 hours (about 3 days)
Accuracy: Annual deviation ±20 seconds (monthly deviation ±3 seconds) functions
Waterproof: 300-meter diving waterproof
Anti-magnetic: Yes
Other:
Anti-rotation baffle
Screw lock head
Anti-metal allergy
33 stones
Power storage display function