Montblanc 1858 Chronograph Tachymeter 116243THE MONTBLANC 1858 COLLECTION AND THE INTRODUCTION OF BRONZE The Montblanc 1858 Collection can be seen as the vintage offer of the brand and a faithful tribute to the rich past of Minerva, the haute horlogerie manufacture that Montblanc acquired a few years ago. During the 1930s and 1940s, Minerva was specialized in military and pilots chronographs, such as the one you can see below. The Montblanc 1858 Collection relies on historical design codes