Sicura - Bezel Lock Big Diver 41mm . - No reserve price - Men - 1970-1979

Sicura, a brand active in the mid-20th century, is recognized for producing durable and functional dive watches. The Bezel Lock Big Diver 41mm model from the 1970s exemplifies the era's focus on robust sports watches designed for underwater use. Dive watches of this size typically include features such as rotating bezels for tracking elapsed dive times and enhanced water resistance, appealing to professional divers and enthusiasts alike. 'Bezel Lock' indicates a mechanism to secure the bezel, preventing accidental movement—a valuable safety feature underwater. Sicura played a role in making specialized dive tools accessible to a broader market before being absorbed by larger brands. Collectors value such watches for their historical significance, solid build quality, and vintage dive appeal—offering a glimpse into functional watch design of the 1970s sports era.