Men's Sapphire Swiss Luminous Mechanical Movement WristwatchPerfect for diving owing to its extra thick sapphire crystal glass that keeps its luminous dial secure, this gorgeous wristwatch for men complements your rugged style wonderfully. Featuring a round case made using tough bronze, the strong nylon band of this Swiss watch is fastened using a sturdy buckle clasp. Loaded with features like a complete calendar, auto date, and water resistance, its mechanical movement ensures optimal accuracy each time!