Louis Moinet Speed of Sound Green

The Louis Moinet Speed of Sound Green is a 40.7 mm Grade 5 titanium chronograph with a Valjoux 88 hand-wound movement.

3 official photos · reader photos welcome

Material

Titanium

Grade / type

Grade 5

Water resistance

30 m

Reference

LM-130.20.31

Type

Chronograph

Price

– · Price on request

Case diameter

40.7 mm

Origin

Switzerland

Movement

Manual monopusher chronograph with moon-phase complication, restoration of the historic Valjoux 88 calibre

Caliber

Valjoux 88 (restored and re-engineered by Louis Moinet)

Power reserve

40 h

Complications

Chronograph

Colour

Grey

Finish technology

Natural finish

Nickel-free

Unconfirmed (contact-point materials not all confirmed)

Bracelet / strap

Preformed rubber strap

Dial

Guilloché dial with Aletai meteorite in the chronograph counters

Dial colours

Meteorite

Availability

Offered

Status

Limited edition of 3 watches

Not published

Thickness, Lug-to-lug, Weight, Hardness, Construction, Surface treatment, Caseback, Matching bracelet, Crystal, Display back, Lume

High confidence Verified Sep 2026 Source: Louis Moinet (maker)

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