Flying saucer: the Seiko 6139-7020 Speed-Timer | Adventures in Amateur Watch Fettling
SOLD ) SEIKO Speed-Timer 5 SPORTS rare waterproof chronograph Ref. 7017.6040 - matt black dial with internal bezel at 60 - complete with rare original bracelet - La Casa dell'Orologio
Seiko - Vintage 5 Sports Speed-Timer Chronograph - 6139-8002 Automatic "JDM" Watch - Men - 1970-1979 in Slovenia