Audemars Piguet montres prestige BMP SAThe Sports Collection encompasses a number of high-end sports Royal Oak sports watches, first launched in 1972 and Royal Oak Offshore watches, introduced in 1993, water-resistant to depth of 100 metres and designed for extreme sports. Crafting Royal Oak and Royal Oak Offshore cases calls for more than 250 successive operations including all types of hand-made finish: bevelling, lapping, polishing, brushing, sandblasting and circular-graining. Initially introduced in steel, representing a revolution in the world of luxury watches, the cases of the Royal Oak and Royal Oak Offshore are currently made from a wide variety of metals, some of which originate from the latest research in the aeronautical and spatial industries. Around its legendary octagonal dial, eight visible white gold screws hold together the bezel, the exclusive water-resistance gasket and the case-back and middle. The crown and pushpieces on the Royal Oak Offshore are protected by a rubber guard and the