SportRolex
Explorer II
★★★★★
42mm·Auto
Casio
Sport Watche| Movement | Quartz |
|---|---|
| Crystal | Sapphire |
| COSC | No |
The Casio Oceanus is a Japan-domestic-market line of quartz watches positioned above standard Casio at the brand's titanium-and-sapphire premium tier. Atomic radio sync, solar charging, and titanium cases in 40mm diameters. The line targets buyers who want quartz precision and durability with finishing standards approaching Grand Seiko quartz at a fraction of the price.