Montblanc 1858 GMT Automatic 42mm

A Modern Explorer’s GMT in the 1858 Collection

The Montblanc 1858 GMT Automatic MB129615 is a striking interpretation of classic adventure watchmaking combined with contemporary Swiss engineering. Designed for the modern traveller, this 42 mm timepiece instantly conveys precision, robustness and distinctive style. Its bold aesthetics and intelligent GMT function bring global utility to everyday wear, while the iconic Montblanc heritage inspires confidence in both design and performance.

The black sunray dial offers excellent legibility with white luminescent Arabic numerals and hands, complemented by a distinctive 24-hour GMT scale and clever second time zone indication. Rather than using a traditional extra hand, the 1858 GMT uses a moving red square GMT indicator, creating an intuitive display that stands out in the GMT watch segment.

Whether for business travel or global exploration, this Montblanc GMT combines functional sophistication with the stylish durability expected from a luxury Swiss watch.

Key Features

• Swiss automatic movement Montblanc Calibre MB 24.33 with robust performance and reliable precision.

• Innovative GMT function with a movable red square indicator to display a second time zone clearly against the 24-hour bezel.

• Classic 42 mm stainless steel case with durable construction and elegant proportions.

• Black sunray dial with contrasting white Arabic numerals and luminescent hands for exceptional legibility.

• Date display at 3 o’clock for everyday functionality.

• Domed sapphire crystal with anti-reflective coating for clarity and protection.

• Engraved titanium case back featuring a world map with time zones.

• Interchangeable stainless steel bracelet with folding clasp and fine adjustment.

• Water resistance up to 100 m suitable for daily wear and light aquatic activity.

Product Specifications

Model Reference
MB129615

Collection
Montblanc 1858 GMT

Movement
Automatic
Calibre MB 24.33

Power Reserve
Approximately 50 hours

Functions
Hours, minutes, seconds
Date
GMT second time zone indication

Case Diameter
42 mm

Case Material
Stainless steel

Bezel
Fixed steel and anodised aluminium 24-hour bezel

Crystal
Domed sapphire with anti-reflective coating

Dial
Black sunray dial with luminescent white Arabic numerals and indexes

Bracelet
Interchangeable stainless steel bracelet with folding clasp and fine adjustment system

Case Back
Titanium engraved with world time zones

Water Resistance
100 metres / 10 bar

A Contemporary GMT with Distinctive Character

The Montblanc 1858 GMT MB129615 blends functional innovation with everyday style, delivering a practical tool for world travellers and a refined wrist presence for daily wear. Its intuitive GMT indicator system sets it apart from traditional GMT watches, while its robust construction and classic dial design reflect Montblanc’s dedication to adventurous luxury.

Availability through official boutiques and authorised dealers in the UK can vary and is generally limited by production and allocation, so interested buyers are encouraged to contact retailers for current stock and possible wait-list options.