Prospex Marinemaster 1968 Diver’s Reinterpretation 300m in High Contrast Monochrome

In 1968, Seiko launched revolutionary new innovation with the world’s first hi-beat Diver’s watch. With a case design inspired by the original 1968 piece, carrying the name ‘Marinemaster’ from Seiko’s heritage in diving watchmaking, this new re-interpretation has the same 300m water resistance.Under a dual-curved sapphire crystal glass is a crisp white dial with a subtle sand-like pattern. Designed for high contrast under water, all aspects are optimised for diving conditions: a streamlined case, with the crown in the comfy 4 o’clock position, strong Lumibrite for legibility at the darkest depths and a unidirectional rotating bezel as per ISO Diving standard.Especially crafted for divers, the 8L35 calibre is a highly accurate, reliable and robust movement. Crafted at the Shizukuishi Watch Studio in Japan’s Iwate prefecture, this calibre is accurate to +15/-10 seconds per day with a 50-hour power reserve.Prospex is a combination of the words ‘Professional ‘and ‘Specifications. ‘Seiko Prospex timepieces are designed to be practical, reliable and durable; to meet the high standards required in extreme environments for sports lovers and adventure seekers alike. MovementAccuracy: -10/+15 seconds per dayCalibre: 8L35Movement Type: Automatic with Manual WindingPower Reserve: Approx. 50 hoursJewels: 26|||ExteriorDial Colour: WhiteLumiBrite: Lumibrite on hands, indexes and bezelCase Material: Stainless steelStrap/Bracelet: Stainless steelClasp: Three-fold clasp with secure lock, push button release with extenderCase Diameter: 42.6mmCase Thickness: 13.4mmCase Length: 49.3mmLug Width: 20.0mm|||Other SpecificationsWater Resistance: 300mWeight: 196.0gCrystal Coating: Anti-reflective coating on inner surfaceCrystal Type: Dual-curved sapphire crystalOther Specifications: Screw case back, Screw-down crown, Unidirectional rotating bezel, Three-fold clasp with secure lockWatch Function: 28,000 vibrations per hour (10 beats per second), Date display, Stop seconds hand functionMagnetic Resistance: 4,800 A/m