Description
Tentagraph Grand Seiko first mechanical chronograph. Equipped with the new Calibre 9SC5, developed from the powerful 9SA5 movement that was already the pride of the Grand Seiko Evolution 9. The Tentagraph is also the world longest-running 10-beat chronograph, with a power reserve of up to 72 hours.
Size 43.2 mm, thickness 15.27 mm, L2L 51.5 mm
Anti-reflective AR-coated sapphire glass box
Case and strap in high-intensity titanium demi-gold 18K.
Automatic 9SC5 with 60 jewels, 36 00vph and 72 hours of power reserve.
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