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The Grand Seiko SBGH013 features a 39.5mm stainless steel case finished with Zaratsu polishing and a minimalist ivory dial accented by Arabic numerals, sharp dauphine hands, and a heat-blued seconds hand. Inside, the high-frequency Caliber 9S85 delivers exceptional accuracy and a smooth 36,000 vph sweep, visible through the exhibition caseback. Originally released for the Japanese market (as marked by its rare double-signed dial), the SBGH013 stands as a symbol of Grand Seiko’s evolution into a globally recognized brand.
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This watch is in great overall condition, showing minor wear consistent with normal use. The case shows primarily hairline scratches, with a small ding on one of the lugs. The crystal has a few very minor scratches (as shown in the photos) but remains in fantastic condition otherwise. On the timegrapher in a neutral position, the movement recorded an average rate of roughly −35 seconds per day, with amplitude measuring around 175° and a beat error of 1.7 ms, indicating that a service would be beneficial.
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This watch comes as a complete set with its original box and official certificate. It does not come with a warranty card or other accessories.
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Brand: Grand Seiko
Reference: SBGH013
Year: 2010s (approximation)
Case size: 39.5mm
Case thickness: 13.1mm
Case material: Stainless steel
Dial: Ivory
Movement: Calibre 9S85
Water resistance: 30 meters
Functions: Date
Strap/bracelet: Aftermarket leather strap with original Grand Seiko deployment clasp
Lug width: 19mm