Bulova automatic watch for men, Movement 98A318, 40 mm, 50 m WR, HNBR strap (hydrogenated nitrile rubber - highly resistant), double curved anti-reflective sapphire crystal. This Bulova men's watch from the Maquina collection offers a bold, avant-garde design. It features a 40 mm barrel-shaped stainless steel case in rose gold and silver tones, with double-curved sapphire crystal, a blue bezel, and a blue HNBR rubber strap with a buckle closure (see below). The blue printed dial, with black ring and bridges, features rose gold hands and indices with luminescent filling and a central window revealing the inner workings of the skeletonized 21-jewel automatic movement, also visible through a transparent case back, with a 42-hour power reserve. With its mechanical heart and modern, unmistakable shape, this Bulova men's watch offers a unique, bold and personal expression of style. Technical Specifications Movement and Technology 8N26 automatic caliber (no battery required) Automatic winding system via oscillating rotor activated by the natural movement of your wrist 42-hour power reserve (will run for almost 2 days without use) Case Design Moderate size of 40mm in diameter (versatile for different wrists) Two-tone stainless steel material Double-curved sapphire crystal with anti-reflective treatment Dial and Display Blue with rose gold accents Skeleton design allowing a view of the internal mechanism Luminescent markers and indices for night visibility 3-hand configuration (hours, minutes, seconds) Strap and Fit HNBR material (hydrogenated nitrile rubber - highly resistant) 24 mm lug width Water resistance 50 meters water resistant (suitable for splashes and surface swimming, not for diving) This piece combines traditional mechanical watchmaking with modern touches such as the skeleton design and durable materials. The combination of blue and rose gold gives it a distinctive and elegant touch.