Seiko Prospex Speedtimer Collection Watch SPB513

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The Seiko SPB513 features the 6R55 automatic movement with manual winding, offering a 72-hour power reserve and +25/-15 seconds per day precision. Housed in a 39.5mm stainless stee l case with super hard coating, it includes a curved sapphire crystal and 20 bar water resistance. Enhanced with 24 jewels, magnetic resistance of 4,800 A/m, and a refined three-fold clasp, it balances performance and durability. Show more