The Montblanc Iced Sea Automatic Date features a grey glacier pattern dial inspired by the Mer de Glace, created using the almost forgotten ancestral technique called gratté-boisé. This 41 mm stainless steel timepiece offers an interchangeable bracelet that switches to a black rubber strap without tools, conforms to the ISO 6425 norm for scuba diving, and delivers 300 metres of water resistance with luminescent markings for low light reading.