Montblanc Iced Sea Automatic Date 0 OxygenThe Montblanc Iced Sea Automatic Date 0 Oxygen with gray sfumato glacier pattern dial gives the impression of looking into the depths of a glacier. Inspired by the Mer de Glace, this glacial texture was achieved using an almost forgotten ancestral technique called gratt bois. The timepiece is housed in a 41 mm distressed steel case totally devoid of oxygen and comes with a unidirectional rotatable bezel with black ceramic insert lowered by laser from