The Grand Seiko SBGJ203 pairs Hi-Beat precision with bold travel-ready style. Its striking Mount Iwate dial, razor-sharp Zaratsu polishing, and red GMT hand deliver both elegance and utility, all powered by the premium 9S86 movement. A modern classic for those who demand accuracy, craftsmanship, and unmistakable presence.
Reference / Movement: Caliber 9S86, high-beat 36,000 vph, automatic with manual winding.
Accuracy: ±5 / –3 seconds/day (static)
Power Reserve: Approximately 55 hours
Jewels: 37
Case Material: Stainless steel
Case Size: 40.0 mm diameter, 14.0 mm thickness
Crystal: Dual-curved sapphire with anti-reflective coating on the inner surface
Caseback: Exhibition (see-through) backed by screw case bac
Crown: Screw-down crown
Water Resistance: 10 bar / 100 meters
Magnetic Resistance: ~4,800 A/m (~60 gauss)
Functions: Hours, Minutes, Central Seconds. Date (at 3 o’clock). GMT / 24-Hour Hand: Red GMT hand indicates a second time zone.
Bracelet: Stainless steel, three-fold clasp with push-button release
Design / Dial: Black dial with a Mount Iwate textured pattern, inspired by Mt. Iwate (visible from the Shizuku-Ishi Studio). Polished, distortion-free “Grand Seiko Style” case, inspired by the original 44GS design from 1967.
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