The Titanium Field GuidePicks of the month

Louis Moinet Space One

LM-88.20.60

The Louis Moinet Space One is a 46 mm Grade 5 titanium chronograph with a Louis Moinet LM30 automatic movement.

All Louis Moinet watchesChronograph watchesLightest, rankedGrade 5 titaniumDisplay back
Material
Titanium
Grade / type
Grade 5
Weight
102 g (head only)
Water resistance
50 m
Reference
LM-88.20.60
Type
Chronograph
Price
– · Price on request (purchase request form)
Case diameter
46.0 mm
Origin
Switzerland
Movement
Automatic monopusher chronograph with date
Caliber
Louis Moinet LM30
Power reserve
48 h
Complications
Date, Chronograph
Colour
Grey
Finish technology
Natural finish
Caseback
Sapphire
Nickel-free
Unconfirmed (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Alligator strap, folding clasp
Crystal
Sapphire
Display back
Yes
Dial
Engraved latitude and longitude lines; three versions (LM-88.20.20, .50, .60)
Availability
Offered
Status
Current (limited to 28 per version)
Not published
Thickness, Lug-to-lug, Hardness, Construction, Surface treatment, Matching bracelet, Lume
High confidence Verified Oct 2026 Source: Louis Moinet (maker)
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Frequently asked questions

What grade of titanium is the Louis Moinet Space One?

Grade 5, as stated by the maker. The caseback is sapphire.

What size is the Louis Moinet Space One?

The case is 46 mm across. It is water resistant to 50 m.

How much does the Louis Moinet Space One weigh?

About 102 g for the watch head alone.

How much does the Louis Moinet Space One cost, and is it available?

It is in production, but the maker does not publish a price.

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