The Montblanc 1858 Geosphere is a limited edition timepiece with a unique bronze case and worldtime complication, featuring two rotating globes that display dynamic views of the world's time zones. It has a vintage-inspired aesthetic with a rugged appeal and includes a Montblanc pin to enhance user experience. The watch also comes with an original box, papers, and a NATO-style black strap.

• Limited edition number: 1 of 1858
• Case material: bronze
• Case back marking: limited edition number at the 4 o'clock position