Skip to content

Montblanc

Montblanc 1858 Iced Sea Automatic Date 129370

The Montblanc 1858 Iced Sea Automatic Date (reference 129370) is a 41 mm stainless steel watch with a blue dial. It runs on the automatic caliber MB 24.17 with a 38-hour power reserve and is water resistant to 300 m.

Specifications

Case

Reference
129370
Collection
1858 Iced Sea
Case size
41 mm
Thickness
12.9 mm
Case material
Stainless steel
Water resistance
300 m
Bracelet / strap
Rubber strap

Dial and bezel

Dial
Blue
Bezel
Blue ceramic, unidirectional

Movement

Movement
Automatic
Caliber
MB 24.17 (base Sellita SW200-1)
Power reserve
38 hours
Frequency
28,800 vph
Jewels
26

Dial versions

This reference was made with these dials and finishes.

  • 129370 Blue

    Lacquer; glacial ice texture

How it compares within the 1858 Iced Sea family

Side by side with other references in the same collection, from the catalog.

ReferenceSizeMaterialDialCaliberYears
129370 (This watch)41 mmStainless steelBlueMB 24.17—
12936941 mmStainless steelBlueMB 24.17—
12937141 mmStainless steelBlackMB 24.17—
12937241 mmStainless steelBlackMB 24.17—
12937341 mmStainless steelGreenMB 24.17—
12976541 mmStainless steelGreenMB 24.17—

About the 1858 Iced Sea family

The 1858 Iced Sea, introduced in 2022, is Montblanc's dive watch. Its dial is engraved to look like glacier ice, using a traditional technique, and it has a rotating bezel, a water resistance of 300 metres and a steel case with a bracelet or strap.

The references in this catalog are in steel with the automatic caliber MB 24.17, in several dial colours. It is one of Montblanc's most popular models, and buyers check the bezel, the dial colour and whether the bracelet and any extra strap are included.

Quick answers

What size is the Montblanc 1858 Iced Sea Automatic Date 129370?
The Montblanc 1858 Iced Sea Automatic Date 129370 has a 41 mm case, 12.9 mm thick.
What movement does the Montblanc 1858 Iced Sea Automatic Date 129370 use?
It uses the automatic caliber MB 24.17, with a 38-hour power reserve.
How water resistant is the Montblanc 1858 Iced Sea Automatic Date 129370?
It is water resistant to 300 metres.
What is the Montblanc 1858 Iced Sea Automatic Date 129370 made of?
The case is stainless steel. Bracelet or strap: Rubber strap.

Catalog facts checked October 2026.