117840Ref

The 2018 Montblanc 1858 Geosphere Limited Edition, capped at 1858 total pieces, features a 42mm bronze case with a bronze-coated titanium back and a ceramic-inlaid rotating bezel. It utilizes the self-winding MB 29.25 movement, offering rotating globes at 12 and 6 o'clock, a secondary time zone at 9 o'clock, and a date window at 3 o'clock. Reference 117840 includes a brown sfumato aged calf leather Bund strap, while 119347 features a cognac-colored aged calfskin strap.