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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
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Swiss automatic movement Montblanc Calibre MB 24.33 with robust performance and reliable precision.
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Innovative GMT function with a movable red square indicator to display a second time zone clearly against the 24-hour bezel.
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Classic 42 mm stainless steel case with durable construction and elegant proportions.
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Black sunray dial with contrasting white Arabic numerals and luminescent hands for exceptional legibility.
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Date display at 3 o’clock for everyday functionality.
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Domed sapphire crystal with anti-reflective coating for clarity and protection.
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Engraved titanium case back featuring a world map with time zones.
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Interchangeable stainless steel bracelet with folding clasp and fine adjustment.
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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.
We offer complimentary secure delivery to addresses in the UK.
For all online orders Deacons will arrange delivery of the goods in accordance with the delivery details provided by you. Delivery will be made by Royal Mail Special Next Day delivery requiring a signature on receipt. Please allow at least 3 - 5 working days from acceptance of your order for delivery. Please note that we can only deliver to UK addresses.
We hope you will love your purchase, but should you change your mind, a refund or exchange on online purchases can be requested within 14 days of receiving delivery. If you wish to return an item, it must be in its original unused condition and packaging.
Refunds will be provided against the original payment method or credit/debit card used to complete the purchase. If you wish to return your product, please use a secure return service with the appropriate insurance level and with full tracking, as you are responsible until this product is received. If your return is due to a damaged or defective product then we will refund the delivery charges and pay your costs of returning it to Deacons.
All returns must be sent to D&S Limited, 11-15 Wood Street, Old Town, Swindon, SN1 4AN
