X - Casio C-801 Digital Calculator Module 133 For SPARE PARTS / REPAIRS (1) - G-Shock Vintage
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Casio C-801 Mod (133) Japan Calculator Watch - Vintage For Parts only | eBay
Casio C-801 Black Calculator Watch Module 133 Nerd 80's - Etsy India
Casio C-801 Silver - Time Art Piece
CASIO C-801 JAPAN MENS WRIST WATCH FOR PARTS/REPAIR WATCHMAKER AS/IS | eBay
Vintage CASIO C-801 Calculator Chronograph Lcd Digital Japan - Etsy