Produced and offered little, but a surprisingly nice men's watch. The name was derived from a variety of underwater tests, which the watch endured on and under a sailing ship. Solid steel case of 30 x 35 x 10 mm. Which runs obliquely upwards and on the front in gold it says: Ω QUARTZ. The bolted edge around the glass is also 14 kt solid gold. Steel screw Omega Seamaster lid and with behind it the quartz movement cal. 1320. The timepiece is numbered 40.... What dates to 1977. The ref. no. is 196.0055 Matt black dial with date window and steel Ω logo. In the first pull-out position it adjusts the hours and thereby also the date. (Handy when traveling through different time zones.) For the minutes, the crown must be pressed. The timepiece has a fresh battery and runs timely. Hardened mineral glass... Without signs of wear. Complete with steel Omega chain belt, which is suitable for wrists up to 19 cm. Case and strap are in good condition with minimal signs of wear. In short.... An uncommon, beautiful Omega, still in excellent condition, and stands out when worn. 3 MONTHS WARRANTY. Will be shipped registered/insured.