Montblanc - MB117837

1858 Geosphere 42 mm: Stainless steel & NATO – MB117837

Name: 1858 Geosphere 42 mm: Stainless steel &amp; NATO - MB117837
SKU: MB117837
Availability: InStock

MARKET PRICE Prices collected from several sources reflect prices in different markets. Our pre-owned price estimate $3,787 As of Oct 1, 2025

RETAIL PRICE Retail price suggested by the company or authorized dealer. Retail price depends on region and foreign currency. Price from authorized dealer $5,600 As of Dec 9, 2020

Price History

Retail Price History

Date	USD ($)	EUR (€)	CHF	JPY (¥)
2020-12-09	5,600	5,300	5,300	687,500

Sourced from official brand websites.

Market Price History

Montblanc - MB117837

1858 Geosphere 42 mm: Stainless steel & NATO – MB117837

TECHNICAL DATA

Brand:	Montblanc
Family:	Montblanc > 1858
SKU:	MB117837 U0117837, 117837
Name:	1858 Geosphere 42 mm: Stainless steel & NATO – MB117837
Produced:	2018 Discontinued

Country of Manufacture	Swiss Made, Switzerland
Limited edition	No

MOVEMENT

Caliber	Montblanc Caliber MB 29.25
Movement type	Self Winding
Power reserve	42 h
Functions	Second time-zone, Compass, Date, Day / night indicator, Quick date correction, World time
Display	5 hands, Second time-zone hour hand (12-hour format) at 9:00, World time northern hemisphere indicator at 12:00, World time southern hemisphere indicator at 6:00, Central hour hand, Central minute hand, Day / night indicator at 6:00, Day / night indicator at 12:00, Date window at 3:00

CASE

Case material	Stainless steel
Crystal	Domed, Sapphire, Anti-reflective treatment on both side
Diameter	42 mm
Thickness	12.8 mm
Lug width	22 mm
Water resistance	10 ATM
Caseback	Closed

Bezel material	Ceramic, Stainless steel
Bezel type	Coin edge, Compass
Bezel rotation	Bi-directional rotating

DIAL

Hour markers	Arabic numerals, Line / Dot
Dial colour	Black
Dial finishing	Matte, Sunray
Hands	Cathedral
Luminescence	Dial, Digit, line, dot on bezel, Hand, Hour marker, Super-LumiNova