The Montblanc 1858 Geosphere Limited Edition 1858 is a limited edition of 1858 pieces introduced in 2018. It features a bronze case of 42mm, which is fitted with a bronze-coated titanium back and a rotating bezel with ceramic inlay. It is motivated by the self-winding caliber MB 29.25, which features rotating globes at 12:00 and 6:00, a second time zone at 9:00, and a date window at 3:00.Reference 117840 is fitted with a brown ‘sfumato’ aged calf leather Bund strap with beige stitching coming from the Montblanc Pelletteria in Florence. Reference 119347 is identical but fitted with a more conventional cognac-coloured aged calfskin strap with beige stitching. The limited edition number of 1858 is for the both of them combined.
