Prospex 'Navigator Timer'Limited Edition Mechanical GMTThis model is limited to 4, 000 pieces worldwide and is a recreation of the Navigator Timer launched in Japan in 1968. The Navigator Timer was a pioneer in the realm of sports-type GMT models, being the first mechanical GMT watch with a rotating bezel. Benefiting from over 110 years of Seikos watchmaking expertise this modern watch is powered by the new in-house Calibre 6R54, the first mechanical GMT movement for Seiko Prospex with a three-day power reserve. The case size and case back layout mimics the look of its original inspiration, whilst the super hard coating gives scratch resistance with a long-lasting shine. The GMT function allows the wearer to conveniently track two different time zones at the same time. Equipped with an ultra-scratch resistant sapphire crystal glass, it also has an anti-reflective coating on the inner surface to help showcase more clearly the highly detailed dial. With hour marker indexes that are now