The Titanium Field Guide

Louis Moinet Astronef Techno

LM-105.20.01

The Louis Moinet Astronef Techno is a current-production watch with a grade 5 titanium case. The caseback is open, so the movement is visible.

All Louis Moinet watchesWatch other watchesUnder 11 mm thickGrade 5 titaniumTourbillonDisplay back
Material
Titanium
Grade / type
Grade 5
Water resistance
10 m
Reference
LM-105.20.01
Type
Other
Price
– · Price on request (unique piece)
Case diameter
43.5 mm
Thickness
3.75 mm
Origin
Switzerland
Movement
Manual-wound flying double satellite tourbillon, silicon wafer engraved with microelectronic circuits
Caliber
Louis Moinet Cal. LM105
Power reserve
48 h
Complications
Tourbillon
Colour
Grey
Finish technology
Natural finish
Nickel-free
Unconfirmed (contact-point materials not all confirmed)
Bracelet / strap
Alligator strap
Display back
Yes
Dial
No conventional dial; a sapphire container mounted on the Grade 5 titanium base displays a silicon wafer engraved with microelectronic circuits and the flying double satellite tourbillon; hours and minutes only
Availability
Offered
Status
Unique timepiece (one of one)
Not published
Lug-to-lug, Weight, Hardness, Construction, Surface treatment, Caseback, Matching bracelet, Crystal, Lume
High confidence Verified Sep 2026 Source: Louis Moinet (maker)
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Frequently asked questions

What is the case material of the Louis Moinet Astronef Techno?

The Louis Moinet Astronef Techno has a grade 5 titanium case. This is confirmed against the maker spec.

What size is the Louis Moinet Astronef Techno?

It is 43.5 mm in diameter, 3.75 mm thick, and water resistant to 10 m.

How much does the Louis Moinet Astronef Techno cost, and is it available?

It is current-production; the guide does not list a price for it.

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