Designed for underwater adventures, the Grand Seiko Sport collection is the preferred choice of todayÕs avid explorer, demanding function and form in equal measures.

Exterior
Case Material : Stainless steel with ceramic bezel
Glass Material : Dual-curved sapphire crystal
Glass Coating : Anti-reflective coating on inner surface
Lumi Brite : Lumibrite on hands and indexes
Case size : Diameter 40.5mm _ Thickness 14.7mm
Clasp type : Three-fold clasp with push button release

Functions
Water resistance : 20 bar
Magnetic resistance : Equipped
Weight : 172.0 g

Other details/Features:             
24-hour hand (dual time display function)
30 jewels
Calendar-linked time difference adjustment function
Case back with lion emblem
Date display
Power reserve display
Screw case back
Screw-down crown
Stop seconds hand function

Calibre 9R66: