Montblanc 1858 Geosphere Ref. 117840

The Montblanc 1858 Geosphere Ref. 117840 is a bold and highly collectible piece from Montblanc’s vintage-inspired 1858 collection. Limited to just 1,858 pieces worldwide, this watch pays tribute to global exploration and Montblanc’s alpine heritage, housed in a rugged 42mm bronze case with a black dial and rotating hemispheres for world time.

Powered by the Montblanc Caliber MB 29.25 automatic movement, it features a dual-time zone layout with a 24-hour day/night indicator, rotating globe displays, and a date window. The ceramic compass bezel, cathedral hands, and aged brown leather bund strap round out its adventure-ready styling.

This example comes with the original Montblanc box and papers, and is ideal for collectors looking for a functional and visually unique travel watch.

Key Features:

• Model: Montblanc 1858 Geosphere Limited Edition

• Reference: 117840

• Case Size: 42mm

• Case Material: Bronze with Titanium Caseback

• Bezel: Bi-directional Compass Bezel with Ceramic Insert

• Dial: Black with Dual Rotating Hemisphere Discs (World Time), GMT subdial, Date at 3 o'clock

• Movement: Montblanc Caliber MB 29.25 (Automatic)

• Power Reserve: 42 Hours

• Crystal: Domed Sapphire with Anti-Reflective Coating

• Caseback: Engraved Titanium with Limited Edition Number

• Strap: Brown Sfumato Aged Leather Bund Strap (Montblanc Pelletteria)

• Water Resistance: 100 meters / 330 feet

• Box: Yes

• Papers: Yes

• Year: Circa 2018

• Condition: 8.5/10