After having strived for the greatest heights, Montblanc explores the marine universe at 4810 meters below sea level with the Montblanc Iced Sea 0 Oxygen Deep 4810. The glacier pattern dial is inspired by the Mer de Glace - Sea of Ice - the main glacier of the Mont-Blanc Massif. Its texture was achieved using an almost-forgotten ancestral technique called gratté-boisé. Housed in a 43 mm titanium case totally devoid of oxygen with a shield protecting the screw-down crown, this diving watch comes ...