My Casio minis, left to right... A500, F91, F105, F201, HDA600, W93, W94, W800. Some might argue the W800, but it's smaller than my normal range of 40mm - 45mm. : r/casio
Casio - F-201 - - Watch - Casio F201 - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA
F201WA-1AV | Black Digital Watch | CASIO
Casio F201WA Full Review: Small Watch, So Many Features F201W F201WA-1A F-201WA - YouTube