Product Description
Brand: Grand Seiko Reference: SBGY007 Movement: Hand-wind Caliber: 9R31 Dial Color: Light blue "Omiwatari" Glass Material: Dual curve sapphire glass with anti-reflective coating Case material: Stainless steel Bracelet/Strap: Crocodile Back: See-through back, screw back, Case Diameter: 38.5 mm Thickness: 10.2 mm Precision: ±15 seconds/ month
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