1970 Girard-Perregaux Gyromatic Deep Diver Ref. 9076 B

Why This Watch Matters In the crowded and popular world of vintage dive watches, this Girard-Perregaux Deep Diver is both extremely attractive and under-the-radar.  The Full Story Girard-Perregaux produced several iterations of its Deep Diver from the mid-1960s to the 1970s, and they've remained a well-kept secret for many vintage enthusiasts.  This specific design has all the hallmarks of a well-loved vintage dive watch. There's a large 40mm screw-down case, a matte black dial, a clean black acrylic rotating bezel, and a substantial screw-down crown. The case style has evolved from the straight lug design of the earlier ref. 8867 to this current tonneau-shaped design, which allows for additional crown protection. The "GP" signed crown design is substantially larger and rounder to allow for easier grip. The black acrylic unidirectional rotating bezel has a transparent overlay to protect the printed surface of the numerals and hash marks. The best feature of this watch, however, i