WR: 5 ATM - Case: 41 mm - Gender: Men - Case Material: Stainless Steel - Strap Material: Leather Strap - Functions: Only Time - Glass: Mineral - Product Type: Wristwatch Product Description: The Seiko Presage SSA453J1 is a distinguished men's automatic watch that seamlessly blends vintage aesthetics with modern craftsmanship. Part of Seiko's esteemed Presage Style 60's collection, this timepiece features an open-heart design, allowing a glimpse into its intricate movement, and is inspired by the style of the 1960s. Key Features: Movement: Caliber: 4R39 Automatic with manual winding capabilityPower Reserve: Approximately 41 hoursJewels: 24 Case: Material: Stainless steelDiameter: 40.8mmThickness: 12.8mmLug-to-Lug: 47.0mmCrystal: Box-shaped HardlexCase Back: Screw-down see-through case back Dial: Color: BlueFeatures: Open-heart display at 9 o'clock position, 24-hour sub-dial, faceted indexes, and sharp hands with Lumibrite for enhanced legibility Functions: 24-hour handStop second-hand functionSpecificationValueWR5 ATMCase41 mmGenderMenCase MaterialStainless SteelStrap MaterialLeather StrapFunctionsOnly TimeGlassMineralProduct TypeWristwatchPackagingOfficial Box