£400 Montblanc M Lock Black Leather 35mm Belt, 129992 M LOCK 4810 black-finish buckle. Self-adjustable, 3.5 cm x 120 cm, strap in Montblanc Extreme 3.0 black leather. Designed for a casual look. See More Montblanc M Lock Black Leather 35mm Belt - Black Montblanc Luxury Categories Belts Brand Name Montblanc