High-beat precision and three days of power reserve come together in the new Tentagraph, Grand Seiko’s first mechanical chronograph. With a power reserve of 72 hours, the Tentagraph is the longest-running 10-beat chronograph on the market today.
Specifications
Case
Shape
Round
Glass
Box shaped sapphire crystal
Case Back
See-through & Screw case back
Case Material
High-intensity titanium
Diameter
43.2mm
Water Resistance
High-intensity titanium
Thickness
15.3mm
Dial
Colour
Dark
Power Reserve
Approx. 72 hours
Movement and Functions
Movement
Automatic with manual winding
Caliber
9SC5
Movement Description
Automatic with manual winding
Functions
Power Reserve
Special Functions
Screw-down crown Allergy-safe metal Chronograph with 30 minutes & 12 hours
