CAL. 9R66

Spring Drive movement - Functions: Hours, minutes, seconds, GMT, date, power reserve indicator - Accuracy - / + 15 sec./ month - Autonomy of 72 hours at full charge - 30 jewels - Case with historical design derived from the iconic model 44GS, stainless steel, Zaratsu polishing, screw-down crown - Screw-down case back with sapphire crystal and visible movement, finely decorated with the Grand Seiko emblem - Double-curved sapphire crystal with anti-reflective treatment - Champagne dial with sunray finish - Indexes mirror polished - Stainless steel bezel - Stainless steel bracelet, folding clasp with safety button - Guaranteed water resistance up to 10 bar pressure - Magnetic resistance 4,800 A / m (60 gauss) - Case diameter 41 mm - Case thickness 13, 8 mm - Weight 157 g