Introducing a selection of new designs for the GR-8900 model. The round digital dial is designed with more multi-dimensional depth for a distinctive look. The light button is front mounted and bigger for easier operation. Pressing the button turns on a high-luminosity LED for easy reading in the dark. The Tough Solar power system is designed to generate enough electricity to feed the bright face light and other power-hungry functions.
With the launch of its first watch in November 1974, Casio entered the wristwatch market at a time when the watch industry had just discovered digital technology. As a company with cutting-edge electronic technology developed for pocket calculators, Casio entered this field confident that it could develop timepieces that would lead the market.
| Brand | Casio | Model | GR-8900A-1 |
|---|---|---|---|
| Warranty Period: | 1 Year | Style: | G-Shock |
| Gender: | Male | Age Group: | Adult |
| Dial Color: | Black | Dial Markers: | No |
| Dial Code: | Digital | Hand Color: | No |
| Band Color: | Black | Band Material: | Resin |
| Band Type: | Strap | Band Width (mm): | 35 |
| Crown Type: | No | Clasp Type: | Buckle |
| Crystal Type: | Mineral | Case Shape: | Round |
| Case Finish: | Brushed | Case Back Type: | Screw Back |
| Case Color: | Black | Case Material: | Resin |
| Case Diameter (mm): | 52.5 | Case Thickness (mm): | 16.3 |
| Water Resistance (m): | 200 | Movement: | Quartz |
| Power Source: | Battery | Weight (g): | 69 |
