The Basics
The Montblanc 1858 Geosphere was introduced in 2018. It features a stainless steel case of 42mm, which is fitted with a rotating bezel in ceramic and a closed & engraved back. It is motivated by the self-winding caliber MB 29.25, which features rotating globes at 12:00 and 6:00, a second time zone at 9:00, and a date window at 3:00. Reference 117838 is fitted with a brown ‘sfumato’ aged calf leather Bund strap with beige stitching coming from the Montblanc Pelletteria in Florence. Reference 119286 is identical but fitted with a more conventional cognac-coloured aged calfskin strap with beige stitching. Reference 117837 is fitted with a black NATO strap.
| Brand: | Montblanc |
| Family: | 1858 |
| Reference: | 117837 |
| Name: | 1858 Geosphere Stainless Steel / Black / NATO |
| Produced: | 2018 |
| Limited: | No |
Below is a detailed look at Montblanc’s model 117837 from 1858 watch family, including the price, case details and movement features.
The Details
Montblanc’s 1858 Geosphere Stainless Steel / Black / NATO (117837) was originally released in 2018. This watch features a automatic movement beating at a frequency of 28800 bph (4 Hz) to provide a 42-hour power reserve when fully wound.
The Case
The stainless steel, ceramic case measures 42mm in diameter and roughly 12.8mm thick. The round case is paired with a black color dial with cathedrale-shaped hands, and a mixed hour markers and minute track, covered by a sapphire glass. Montblanc’s 1858 model 117837 is water resistant up to 100 meters (328 ft). A solid caseback is over the back of the watch case.
| Material: | Stainless steel, Ceramic |
| Glass: | Sapphire |
| Back: | Solid |
| Shape: | Round |
| Diameter: | 42mm |
| Height: | 12.8mm |
| Lug Width: | N/Amm |
| W/R: | 100 |
Case Diameter
Case Thickness
Lug Width
Water Resistance
The Movement
The 1858 117837 movement is a powered by caliber MB 29.25 made by Montblanc. The 26-jewel automatic movement is 25.6mm in diameter. Its balance wheel oscillates at 28800 semi-oscillations per hour or 4 Hz. This movement offers a 42-hour power reserve.
| Type: | Automatic |
| Brand: | Montblanc |
| Caliber: | MB 29.25 |
| Base: | Sellita SW300-1 |
| Display: | Analog |
| Diameter: | 25.6mm |
| Jewels: | 26 |
| Reserve: | 42 hours |
| Frequency: | 28800 bph |
| Time: | Hours, Minutes, Additional 12 Hour Hand (adjustable), Day / Night Indication, World Time |
| Chronograph: | |
| Additionals: |
The Price
How much does the Montblanc’s 1858 117837 cost? This watch was introduced in 2018 and has been in Montblanc’s collection for around . This watch is not a limited release. As with most luxury watches, the price of depends on the availability and demand.
CURRENT PRICE: Not Available
For more information, visit Montblanc online.
Specifications:
- Brand: Montblanc
- Model: 1858 Geosphere Stainless Steel / Black / NATO
- Reference Number: 117837
- Limited: No
Case & Dial:
- Material: Stainless steel, Ceramic
- Glass: Sapphire
- Back: Solid
- Diameter: 42
- Thickness: 12.8
- Lug Width: N/A
- Dial Color: Black
- Indexes: Mixed and Cathedrale-shaped hands
- Water Resistance: 100 meters
Movement:
- Winding: Automatic
- Brand: Montblanc
- Caliber: MB 29.25
- Display: Analog
- Diameter: 25.6mm
- Jewels: 26
- Power Reserve: 42 hours
- Frequency: 28800 bph
- Functions: Hours, Minutes, Additional 12 Hour Hand (adjustable), Day / Night Indication, World Time
About Montblanc
Claus-Johannes Voss, Alfred Nehemias, and August Eberstein founded the company now known as Montblanc as a pen maker in Hamburg, Germany, in 1906. Today, as a member of the Richemont group, Montblanc produces a range of luxury goods under the leadership of CEO Jerome Lambert.
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