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New Releases · 2026-04-04

Vintage compass styling meets a compact 38mm Montblanc 1858

The 2026 Montblanc 1858 Small Second 0 Oxygen combines a black field dial, small-seconds register and a 100m steel adventure case.

By Chronolume digest · Original English summary · Based on Montblanc official product page; independent watch reporting

Montblanc Small Second 0 Oxygen front on steel bracelet with black dial and small seconds
The compact 1858 keeps field-watch numerals and a compass-point bezel. Montblanc ↗

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What to know

Montblanc's 1858 Small Second 0 Oxygen makes a deliberate case for simplicity. The black dial features large luminous Arabic numerals, a traditional railway minute track and a small seconds counter at six. Cathedral-style hands nod to early twentieth-century expedition instruments without disguising the watch's contemporary build.

The stainless steel case measures 38mm and 11.7mm thick, with a fixed black ceramic bezel carrying luminous compass points. Its enclosed movement chamber uses Montblanc's 0 Oxygen approach. Inside, the MB 24.16 is an automatic movement with small seconds and date, while the caseback features a Spirit of Exploration engraving. The 100-metre water resistance adds everyday robustness to the vintage-style silhouette.

Side profile of Montblanc 1858 Small Second showing case and integrated bracelet
From the side, its 11.7mm height balances with a smooth steel bracelet. Uhrenschmuck24 / Montblanc ↗

An integrated steel bracelet can be exchanged for a blue-black Saffiano leather strap. The combination of a small seconds display, restrained case size and an adventure-themed bezel feels more distinctive than simply scaling down a generic field watch.

At a glance

Specifications reported by Montblanc official product page; independent watch reporting
ReferenceMB136355
AnnouncementCoverageApril 2026
Case38mm steel, 11.7mm thick
MovementAutomatic MB 24.16
DialBlack, small seconds at 6, date at 3
WaterResistance100m
BezelFixed black ceramic with luminescent compass points
BraceletAndStrapSteel bracelet and Saffiano leather
CasebackSpirit of Exploration engraving

Explore the watches

Montblanc 1858 Small Second 0 Oxygen MB136355 · MB136355 ↗

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Source & attribution

Montblanc official product page; independent watch reporting · Published 2026-04-04 ↗