This early 1970s Zodiac Sea Wolf chronograph is very rarely seen! The massive case is the same as the Super Sea Wolf (non-chronograph version) and measures 43.5mm across and retains the original mineral-glass crystal having some usual, but not distracting marks. The Sea Wolf chronograph was used by many military diving teams and the CIA in its time. The rotating black-acrylic bezel and inner tachometer bezel are also in good shape for its 1960s manufacture, but do show signs of aging. The original contrasting dial with orange accents is in very fine condition. Notice the interesting shape of the minute hand. The case itself is sand-blasted stainless steel, which we had completed to give it a great military look. The stainless steel case back is in very fine condition; with all writing clear and legible.