Stunning and rare 1st edition Croton Nivada Grenchen aviator sea diver. This beautiful piece features a double signed Venus 210 movement in excellent serviced condition. The case is sharp and clean, the dial has developed a mellow ageing with original tritium markers and matching hands with some tritium missing to the minute hand. The bezel has aged from black to a wonderful purple tropical finish. This beautiful piece is enhanced by a hand made suede strap.