• This is Japan Domestic Market GRAND SEIKO Top of the Line Hand Winding SBGW001
• Mechanical Movement Caliber : 9S54
• Display : hour, minute, second
• Sapphire Crystal Glass with non-reflective coating
• Shockproof Structure
• Anti Magnetic
• WR 3 Bar / 30 meter Water Resistant
• Hand Winding-Up : Max drive time up to 50 hours
• 20 Jewels
• Stainless Steel Case
• Crocodile Leather Band : width 19.0mm
  (can be replaced with Metal Band D1Z8AB, sold seperately)
• 6 screw lock
• Diameter : 37.3mm
• Thickness : 11.4mm
• Weight : 37.3 gr
• Accuracy : +5/-3 seconds per day

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