SEIKO Prospex Black Series Sumo Limited Edition | SPB433 blacktop Its size and shape make

Its size and shape make it ideal for both casual and formal occasions

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SEIKO Prospex Black Series Sumo Limited Edition | SPB433 blacktop Its size and shape makeLimited edition of 3,500 pieces Movement Caliber Number 6R35 Movement Type Automatic with manual winding Precision +25 to 15 seconds per day Power reserve Approx. 70 hours Jewels 24 Functions Stop seconds hand function Date display Case Band Case Material Stainless steel (hard coating)with ceramic bezel Case Size Thickness: 13. 4mm Diameter: 45. 0mm Lug to lug: 52. 6mm Crystal Sapphire crystal Crystal Coating Anti reflective coating on inner surface