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Grand Seiko

Exterior +

Brilliant Hard Titanium
High-intensity titanium
Stainless steel
Stainless steel with ceramic bezel
18k rose gold
Ever brilliant steel, Caseback: Ever brilliant steel and sapphire crystal
High intensity titanium /ceramic with ceramic bezel
High intensity titanium with ceramic bezel
Platinum
Stainless steel (partly 18K yellow gold) / Ceramics bezel / Sapphire crystal case back
Stainless steel / 18k yellow gold case back
Stainless steel with 18k yellow gold bezel
Stainless steel, Caseback:Stainless steel and sapphire crystal

Band Material +

Cow Steer + Nylon
Crocodile leather
Ever brilliant steel
High-intensity titanium
Rubber
Stainless steel
Strap - Leather (Crocodile)

Glass Coating +

Anti-reflective coating on inner surface
Super-clear coating

Glass Material +

Curved Hardlex
Curved sapphire crystal
Hardlex
Sapphire crystal
Sapphire crystal with magnifier
Box shaped sapphire crystal
Box-shaped Hardlex
Curved(inner) sapphire crystal
Dual-curved sapphire crystal
Hardlex with lenses
Sapphire

Movement +

Automatic with manual winding
GPS solar
Kinetic
Kinetic direct drive
Manual winding
Quartz
Solar
Spring Drive
Spring Drive - Powered By The Movement of the Wearer
Spring Drive Manual Wind - Powered By Winding The Crown
Spring Drive Manual winding

Water Resistance +

10 bar
20 bar
200m / 660ft diver's
+10 to -1 seconds per day
+10 to -5 seconds per day
+5 to -3 seconds per day *Mean daily rate is a mean value of daily rates in a condition where the movement before assembly in a case is measured in six positions in a fixed manner under artificiall
+5 to -3 seconds per day *Mean daily rate is a mean value of daily rates in a condition where the movement before assembly in a case is measured in six positions in a fixed manner under artificially
+8 to -1 seconds per day
±10 seconds per month (±0.5 second per day)
±15 seconds per month (±1 second per day)
100 Metres
1000m / 3300ft for saturation diving
11 bar
300m / 1000ft for saturation diving
5 bar
±10 seconds per month (±0.5 second per day)
±15 seconds per month (±1 second per day)
Divers 200 Meters
Splash Resistant
Water Resistant

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