Description
A Spring Drive Powered Diver’s Watch
This diver watch is powered by Grand Seiko unique Spring Drive caliber, which combines the motive force of a mainspring with the high precision of a quartz watch.
The case and band are made with high-intensity titanium, providing a scratch and corrosion resistant finish with a 137g weight reduction,making it 30% lighter than stainless steel and a pleasure to wear.
The watch is water resistant to a depth of 200 meters and utilizes LumiBrite for increased visibility of the hands and index. Designed for use in some of the most unforgiving environments, the rotating bezel is removable for simple maintenance while the area around the crown has been crafted to ensure that residue from dirt, sand, or seawater can be easily washed off.
With a mirror-finished case achieved through Zaratsu polishing, a lustrous rotating bezel, and multi-faceted cut indices, this watch is unmistakably Grand Seiko in its appearance, high specifications and durability.
Exterior
Case Material : High-intensity titanium
Glass Material : Sapphire crystal
Glass Coating : Anti-reflective coating on inner surface
Lumi Brite : Lumibrite on hands and indexes
Case size : Diameter 44.2mm 脳 Thickness 14mm
The perimeter of Band : 196mm
Clasp type : Three-fold clasp with secure lock & push button release, solid & slide adjuster
Movement
Caliber no. : 9R65 Instructions
Movement Type : Spring Drive
Power reserve : Approx. 72 hours(3 days)
Accuracy : 卤1 second per day / 卤15 seconds per month (average)
Functions
Water resistance : 200m / 660ft diver’s
Magnetic resistance : Equipped
Weight : 137.0 g
Other details / Features :
銉?0 jewels
銉籆ase back with lion emblem
銉籇ate display
銉籔ower reserve display
銉籗crew case back
銉籗crew-down crown
銉籗top second hand function
銉籘hree-fold clasp with secure lock and extender
銉籙nidirectional rotating bezel
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