When simplicity, elegance and function meet in one watch. The SBGW231 expresses the ‘Grand Seiko Style’ design language of simplicity, purity and practicality. Its slim profile and 37.3mm case size houses our manual-winding 9S movement with a power reserve of 72 hours and the accuracy rate of +5 to -3 seconds per day. Grand Seiko: the relentless quest for precise timekeeping from the pinnacle of Seiko Watch Corporation’s in-house manufacture. With leading watchmaking, durability and legibility, every Grand Seiko is still handmade in Japan by elite craftsmen and women.
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