Lune Exacte

The worlds most precise moon age indication

The Lune Exacte features a new patent pending high precision moon age indication, and Andreas Strehler’s patented remontoir d’égalité. It also happens to be the most precise phase of the moon indication ever built in a wristwatch.

The Lune Exacte is the logical next step of the Sauterelle à lune perpétuelle which features a phase of the moon indication with a precision of one day in two million years. In 2014, this feat of engineering earned the Sauterelle à lune perpétuelle an entry in the Guinness Book of World Records. A record that still stands to this day.


This exceptional wristwatch can be read and set to an astonishing three hours at any time, thanks to its new and patent pending mechanism. This high precision moon age indication displays the age of the moon in days and further increments of three hours.

For more info see our press release HERE

In the press: Time and Watches, SalonQP, MasterHorologer, Monochrome Watch, Lux Worldwide, Relogios & Relogios, Les Rhabilleurs, Passion

Movement Mechanical, manual winding
Complication World most precise moonphase (2 million years for 1 day deviation)
Power reserve 78 hours, double barrel mainspring
Movement size Tonneau shape: 32x30mm, 5.9mm thickness
Frequency 3 Hz / 21’600 A/h
Jewels 25
Movement parts 184
Case 18K rose gold or platinum
Case size 41×47.2mm, 10mm height
Hands Blue steel with super Luminova
Dial In silver with grey coating, rotating Vernier scale
Strap Black alligator with tang buckle in 18K rose gold or platinum
Price CHF 125’000 (excl. VAT and local taxes)