Geared for serious divers, the Alpina Extreme Diver SS09 ($TBA) features a large 48mm waterproof casing in black PVD with scratch-resistant sapphire crystal that can withstand depths of up to 1,000 meters. These diving timepieces feature the automatic Alpina caliber AL-525 movement and are available Yellowtail, Orange Sunset, Cote d’Azur and Black Ocean faces.