Breitling Super Ocean series. 1: The case is made of 316 stainless steel with a thickness of 13.3mm and is equipped with a ratchet-type one-way bezel. 2: The watch mirror material is specially made of curved sapphire crystal glass, which is anti-glare on both sides. 3: The crown head position is screwed in, and the double sealing gasket achieves the waterproof effect (waterproof depth reaches 500 meters) 4: The movement uses the 2824 flower-washed movement for perfect aesthetics. Super ocean series is worth owning