ocr: It's surprising You're snorkelling. You take a deep breath and dive. How deep will you go? Or: Three you metres? could try Four? your Five? hand at how deep scuba-diving. But don't expect your Which is why Rolex developed the instructor to take you past 18 metres. Submariner. Even for the most accomplished Like every Rolex Oyster, the seam- recreational divers, 50 metres is less case of a Submariner is carved regarded as the limit. from a solid ingot of metal. Yet every single Rolex Oyster, Its winding crown actually screws including the elegant Lady Datejust, down on to the Oyster case to clo ...