both faces of the watch remain crystal-clear in all lighting conditions

What kind of crystal does it have

With IP68 water resistance and compatibility with both Android and iOS

This Amy Dinky women's watch features thick yellow gold plated solid stainless steel case with a fixed bezel and textured push-pull crown

this timepiece is ideal for an active lifestyle—whether you're working

Luminox Navy Seal Men's Black Watch Luminox both faces of the watchThe Luminox Navy SEAL has a captivating 45 mm CARBONOX case with dive bezel and water resistance up to 200 meters; it can be used for diving. This black in black dial is equipped with the proven Luminox Light Technology lighting system. "Always Visible", self powered, for up to 25 years.