Heritage Collection Mechanical Automatic 3-Day, 37mm entry-point, black dial

Grand Seiko's most accessible new-production mechanical model, a compact 37mm steel automatic with the solo gothic-script GS logo replacing the dual Seiko/GS branding of its predecessor SBGR053. Its liquid-black lacquer-style dial and 9S65 caliber (72-hour power reserve) mark it as the brand's…

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