Rolex Oyster Perpetual Day-Date Men's 36mm. Round case is made of 18K yellow gold & round fluted bezel. Its bracelet is made from the same 18K Yellow Gold precious metal and sports a deployment clasp. The case is accented by a beautiful champagne dial that uses obelisque hands and Roman numeral hour markers to show time in hours, minutes and seconds and a magnified rectangular display at 3 o'clock to show time. The watch's day of the week display features at 12 o'clock with the watchmaker's logo right below it. Rolex's manufacturing standards and strict testing ensures the watch can be safely used up to a water depth of 100m, making it suitable for most underwater activities.