Rare Discontinued Vintage Men's Black Casio EXW-50-1A Digital WatchのeBay公認海外通販|セカイモン
Marty Mcfly Casio CA-50, Common to popular belief the CA-50 was the original Casio worn by Marty Mcfly, before he wore the CA-53 in the later scenes! This is mine I sourced
CASIO - 【美品】CASIOプロトレック PRT-50の通販 by たそ's shop|カシオならラクマ