Seiko Prospex Speedtimer Mechanical Datsun 240Z Limited Edition

The Seiko SPB517J1 unites precision watchmaking with automotive performance heritage. Inspired by the 1969 Speedtimer and Nissan’s Datsun sports cars, this limited edition showcases innovation and endurance. Its 39.5 mm stainless steel case with super-hard coating houses the 6R55 automatic calibre, delivering a 72-hour power reserve and 200 m water resistance. Design cues echo the Datsun 240Z rally car, complemented by a tachymeter bezel, Lumibrite details, curved sapphire crystal, and a soft black LWG-approved leather strap. Case Thickness: 12.0 mm Case Diameter: 39.5 mm Lug-to-lug: 44.5 mm