Tudor Black Bay Chrono Ref - M79360N-0002A tribute to TUDOR's rich history of producing legible and accurate diver's watches, the Black Bay distills 60 years of expertise into a single timepiece. It takes a form follows function approach, incorporating iconic design details into high performance technology. Hans Wilsdorf founded Tudor in 1926 to bring impressive standards of dependability and exceptional precision to modern timekeeping. Made with the traditional art of hand craftsmanship,