The Grand Seiko Sport Collection ceramic models
The case and bracelet are executed with a combination of high-intensity titanium and ceramic elements, ensuring robustness and supreme comfort.
This watch houses the Caliber 9S86, the high precision 10-beat mechanical movement.
|Exterior:||High intensity titanium /ceramic with ceramic bezel|
|Case back:||See-through & Screw case back|
|Glass Material:||Dual-curved sapphire crystal|
|Glass Coating:||Anti-reflective coating on inner surface|
|LumiBrite:||Lumibrite on hands and index(es)|
|Case size:||Diameter 46.4mm Lug-to-lug 52.5mm Thickness 14.6mm|
|Clasp type:||Three-fold clasp with push button release|
|The perimeter of Band:||188mm|
|Caliber no.:||9S86 Instructions|
|Movement Type:||Automatic with manual winding|
|Power reserve:||Approx. 55 hours|
|Mean daily rate:||
+5 to -3 seconds per day
|Water resistance:||10 bar|
|Magnetic resistance:||4,800 A/m|
|Other details / Features:||
The three movements at the heart of Grand Seiko
One of the world's foremost mechanical movements, the culmination of high-precision micro-engineering and the attention to detail of Grand Seiko's expert watchmakers.
Spring Drive is a unique movement that delivers one-second-a-day precision, using just the power of a mainspring.