How to set a Simple Casio Day & Date Watch with 1 Button ( Crown) | Casio WR Analog

This is how to set / adjust a simple analog 3 sub dials Casio watch with just one button or crown. Simple instructions on how to set a Casio Day Date watch with 3 sub dials. Using this video you will be able to change the date, day of the week and time easily. This is a Casio watch with module 5420 or 5421. Casio Water Resist Casio wr watch set time Casio wr20bar set time Casio wr100m set time Casio wr50M Casio Day of the week setting #casiosetting