This timepiece pays tribute to the Ocean Star collection with its '60s-inspired diver's-watch aesthetics, Super Luminova® details and a durable rubber strap. Bold hour markers on a gradient dial, 20 ATM water resistance and an engraved Ocean Star logo on the caseback complete the nautical theme for this style. 40.5mm case Buckle closure Day and date window Water-resistant to 20 ATM (200 meters) Screw-down crown Swiss automatic movement Sapphire crystal Stainless steel Swiss made