master38The OMEGA Speedmaster is one of the most recognised chronographs in the world. The refined watches in the 38 mm collection, made with size and simplicity in mind, deliver an extra touch of luxury while retaining the chronograph’sMaster 38 Radio Bang & Olufsen B&O; Struer, build 1937 ?, 4 tubes, Denmark, pictures, schematics, semiconductors, Broadcast Receiver - or past WW2 Tuner