Montblanc Iced Sea Automatic DateThe Montblanc Iced Sea Automatic Date Boutique Edition with its green glacier pattern dial gives the impression of looking into the depths of a glacier thanks to an almost forgotten ancestral dial technique called gratt bois. While most glaciers are white or blue in colour, some also come in a deep emerald green colour thanks to iron oxides captured in the ice. This Boutique Edition comes with both a stainless steel interchangeable and adjustable