The Best Watches and Watch Brands
Grand Seiko SBGJ237
© Grand Seiko
Model SBGM245 is a wristwatch of the Grand Seiko brand in the “Grand Seiko Sport Collection” series.
The watch is powered by the automatic hi-beat manufacture caliber Cal. 9S86, which achieves an accuracy of -3 to +5 seconds per day and a high power reserve of 55 hours.
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