Sony co-founder Akio Morita wore a Seiko World Time M158-5000 in photographs from 1981–1988. Actor Rentaro Mikuni owned a Jaeger-LeCoultre Reverso Duo and apparently wore a Breguet Aeronavale ref. 3807ST/J2/SW9, limited to 1,000 pieces for Japan. Physicist Hideki Yukawa’s watch is tentatively identified as an Elgin US Navy R88-W-800.