This Casio men's watch is the perfect accessory for any fitness enthusiast. With its solar power source, it never needs a battery change and is environmentally friendly. The watch is designed for runners and has features that cater to their specific needs, making it the ultimate runner's watch. It is compatible with Swatch brand watches and has a sleek black design that will complement any outfit. The watch is made from durable rubber material, ensuring it can withstand the toughest of workouts.