Gents Blancpain 'Aqualung' automatic wristwatch, c.1960, in stainless steel, featuring a black textured dial set with alternating lumed dot and baton hour markers, circular 'No Radiation' symbol and chapter dial, within a bi-directional black and white bezel, serial #301417, case diameter 38 mm, paired with a grey nato style strap, currently winding and running