Grand Seiko Heritage Collection Seiko 140th Anniversary Limited Edition SLGA008J The dial delights the eye with its organic feel and brings to life Grand Seiko’s conception of the Nature of Time. The miniscule but visible variations in the dial’s depth reveal the subtlety of the dark and light tones of the wood grain. The brown tone of the dial perfectly matches the 18k rose gold case to give the watch a gentle and warm feel, and the Zaratsu polished distortion-free mirror finish and the delicate hairline finish alternate on the case to create a quiet and harmonious glow. Exterior Case Material 18kt Rose gold Glass Material Dual curved sapphire crystal Glass Coating Anti-reflective coating on inner surface Case size Diameter 40mm Lug-to-lug 47.6mm Thickness 11.8mm The perimeter of Band 190mm Clasp type Three-fold clasp with push button release Movement Caliber no. 9RA2 Movement Type Spring Drive Power reserve Approx. 120 hours (5 days) Accuracy ±5 second per day / ±10 seconds per month Functions Water resistance 10 bar Magnetic resistance Equipped Other details / Features Offset Magic Lever 38 jewels Dual size barrels One piece centre bridge Case back with lion emblem Date display Power reserve display Screw case back Screw-down crown See-through case back Serial number engraved on the case back Stop seconds hand function