Emporio Armani's 42mm World Explorer solar-powered three-hand watch features a black sunray dial, sapphire crystal, and a black silicone strap. Its Japanese solar-powered movement ensures reliability and eliminates the need for frequent battery replacements. This watch can run for up to 4 months on one full charge. Solar/3 Hand Black 42mm Stainless Steel Silver Black Silicone 10 ATM