The Zodiac Sea Wolf is dated by the brand to 1953, the same year as the Blancpain Fifty Fathoms, and is often cited as one of the first dive watches sold to the general public. The first generation, originally spelled “Seawolf”, was an automatic watch in a sealed case water resistant to 100 metres, with a rotating bezel marked at 15, 30 and 45 and a triangle, and a dial with luminous numerals at 2, 4, 6, 8 and 10. Around 1959 a redesigned “Sea Wolf” moved to a twin-gasket case rated to 200 metres, a “safety lock” bezel and the now signature triangle markers at 12, 3, 6 and 9. Worn & Wound measured one of these later examples at just under 35mm wide with 17.4mm lugs and 7.5mm thick at the bezel, powered by the automatic calibre 70-72 developed by ETA and A. Schild. It matters as an early, affordable tool diver that brought the genre to ordinary buyers.

The 1953 launch date is disputed. Research by Perez Cope and the Grail Watch wiki finds no trace of the model before 1957: Zodiac registered the “Seawolf” trademark in September 1955, the earliest press mention dates from August 1957, and the Swiss Horology Journal lists the watch among new divers at the 1958 Basel fair. Late-1950s advertising claimed the watch was developed with Commander Cousteau’s laboratory, and some 1958 examples read “10 Atm” instead of the model name, possibly because Basis Watch had also registered “Seawolf”. The Sea Wolf appeared at the Swiss pavilion of the 1964 World’s Fair, was sold through military PX stores during the Vietnam War, and spawned the cushion-cased “Super Sea Wolf” in 1968. It even featured in the film “Zodiac”, worn by the main suspect.

Collectors value the vintage Sea Wolf as an accessible entry into 1950s and 1960s dive watches. Worn & Wound notes that examples are not scarce but are hard to find in excellent condition, because the plated brass bezels wear easily, and that the Datographic date versions use an offset cannon pinion that is prone to wear. Prices were long modest, from around $200 for a used piece to about $1,000 for a pristine example with box and papers. Historians criticise the brand’s repeated 1953 claim, while enthusiasts still credit the Sea Wolf as a pioneer. The original references are no longer produced, but the line continues: Zodiac, owned by Fossil Group since 2001, still makes the Super Sea Wolf, including a Pro Diver edition released in 2026.