[MEN] Seiko Prospex - Sea [SPB315J1]

The Seiko Prospex Sea SPB315J1 is a professional-grade automatic diving watch built for serious water enthusiasts. Powered by the reliable 6R35 calibre with a robust 70-hour power reserve, this timepiece combines precision engineering with practical durability. Featuring a 41mm stainless steel case with super hard coating and a curved sapphire crystal, the SPB315J1 delivers exceptional scratch resistance and clarity. Its 20 bar water resistance rating makes it suitable for recreational diving and water sports. The unidirectional rotating bezel with screw-down crown and screw case back ensures secure operation in demanding conditions. The dial features LumiBrite luminous coating on hands, indexes, and bezel for visibility in low-light environments. A date window and stop second hand function add practical utility, while the three-fold clasp with secure lock and extender provides comfortable, adjustable wear. At 156g with a 12.3mm thickness and 46.9mm lug-to-lug distance, it balances presence with wearability. With 24 jewels and accuracy of +25 to -15 seconds per day, this Prospex delivers the precision and reliability Seiko is known for—ideal for divers and watch collectors who demand performance without compromise.

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