highlights


Montblanc 1858 Geosphere Annual Calendar Limited Edition

November 2025


Montblanc 1858 Geosphere Annual Calendar Limited Edition

The two versions of the timepiece are powered by a brand-new manually wound manufacture Minerva movement, featuring an annual calendar (hours, minutes, seconds, date and month indications), a large date and a worldtimer function.

T

he visual focal point of these timepieces is their hand-painted, three-dimensional, rotating globe featuring the Northern Hemisphere and a Day & Night indication. The globe also indicates Greenwich Mean Time with an orange line and a 24-hour scale. Crafted from sapphire crystal, each globe is hand-painted on the underside by a Swiss artisan, who spends four hours meticulously painting each one. The globes in these two new models represent the Northern Hemisphere, while the Southern Hemisphere is available on request. 

For the annual calendar functions, the large date is positioned at 12 o'clock, just above the historic Montblanc logo, and features two large apertures positioned side-by-side. The date is easily adjustable thanks to a corrector located at 2 o'clock. Montblanc has chosen to display the months around the dial's periphery via a red arrow – a nod to the Roman goddess Minerva – making them easily readable at a glance.
For the annual calendar functions, the large date is positioned at 12 o’clock, just above the historic Montblanc logo, and features two large apertures positioned side-by-side. The date is easily adjustable thanks to a corrector located at 2 o’clock. Montblanc has chosen to display the months around the dial’s periphery via a red arrow – a nod to the Roman goddess Minerva – making them easily readable at a glance.

The timepieces come in a 42mm case in a choice of Lime Gold 750/1000 (18 karats) (30 pieces) or stainless steel (100 pieces). Both editions are fitted with fixed fluted bezels inspired by Minerva’s historic timepieces and the first fluted bezels that date back to 1927. Today, the fluted bezel is a signature design feature of all Minerva timepieces. The Lime Gold model has a matching Lime Gold 750/1000 (18 karats) bezel, whereas the stainless steel version comes with a white gold 750/1000 (18 karats) bezel. 

The Calibre MB M14.58 has a power reserve of approximately 65 hours and is composed of 336 parts, all of which are hand-decorated using traditional haute horlogerie techniques such as Côtes de Genève and a rarely seen snail finishing. Well-suited to complement this level of craftmanship, its workings can be admired through a sapphire crystal case back. 

Price: $59,000 (Lime Gold), $45,500 (stainless steel)

www.montblanc.com

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