Jurassic Watch – A 150-million year heritage on your wrist

JURASSIC_LM345001_BLACK_LDAs every fan of Ateliers Louis Moinet knows, the firm loves all things beautiful, unusual and exceptional. On its Mecanograph City watches, it was the first to include fragments of lunar meteorites and other rocks from the far-flung corners of the universe.

Meanwhile, the Treasures of the World collection has opened up another creative path: that of dials made from rare, fossilized stones of mineral or plant origin, includingpetrified exotic wood.

These two unique approaches have now been combined in the Jurassic Watch, derived from the Mecanograph family, is the first to feature a dial made from Jurassic-era dinosaur bone –between 145 and 200 million years old.

The mechanical heart of the Jurassic Watch is the certified Mecanograph chronometer. This proprietary movement has been exclusively developed by Ateliers Louis Moinet. This unique timepiece comes with a  43.5mm case made from rose gold. Date at 3 o’clock, seconds hand at 9 o’clock on the dial with a concentric Clou de Paris pattern, limited edition of 12 watches.

It boasts not only extraordinary precision, but also a dial made from a genuine fossilized 150-million-year-old dinosaur bone. In another first, the caliber features a date window located at 3 o’clock. It also uses the exclusive Energie Plus (*) process, unveiled by Louis Moinet at Baselworld.

Specific craftsmanship is vital for the production of each dial. It begins with the choice of the right stone; this needs to be sufficiently dense to be worked on, taking into account its final size and texture. The ensuing handiwork takes over a week – and results in a dial thickness of just 0.65mm.

The dinosaur bone in question, discovered in North America, has been authenticated by renowned geologist Dr Andreas Stucki in association with the Aathal Dinosaur Museum in Switzerland. The dinosaur bone is from the family of large herbivores, which also includes the Diplodocus.

Technical data sheet

Features and functions

Central hours & minutes

Small seconds


Chronometer certified movement conceived by Louis Moinet


Dial and hands

Fossilized 150-million-year-old dinosaur bone dial

Central Gouttes de Rosée hour and minute hands, gold-treated

Small seconds hand at 9 o’clockon the dial with a concentric Clou de Paris pattern

Date at 3 o’clock

Fleur-de-lis applique


Movement and finish

Calibre LM34, an exclusive, automatic, COSC-certified, 182-component movement, conceived by Louis Moinet

Frequency: 28,800 vph / 4Hz

Lines: 13 ¼

Power reserve: 48 hours

Jewels: 26

Balance: Glucydur, screwed


“Energie Plus” system

Pawl winding mechanism

Pawl winding system: comprises a baseplate and two jewelled pawls

‘Crab claw’ spring mechanism

Gearing: automatic wolf-teeth gear

Ball bearing: 7 Myrox balls (ceramic), diameter: 0.397 mm

Oscillating weight: Bi-directional featuring Côte du Jura motif


Case and strap

Case: Louis Moinet design featuring six-screw bezel

Material: 18K rose gold

Diameter: 43.50mm

Thickness: 15.60mm

Water resistance: 50 metres

Case back:Secured with seven screws, engraved with individual number and Louis Moinet symbol

Crystals: Two sapphire crystals with anti-reflective treatment

Strap: Louisiana alligator leather, hand-sewn, 24mm width between lugs

Buckle: 18-carat pin buckle


Presentation box

Louis Moinet book


Limited editions

LM-34.50.01               12 watches             5N 18K rose gold                       Fossilized dinosaur bone


About Louis Moinet

Ateliers Louis Moinet was founded in Saint-Blaise, Neuchâtel, in 2004. The fully-independent firm was established to honour the memory of Louis Moinet (1768-1853): master watchmaker, certified inventor of the chronograph (1816), and pioneer in the use of very high frequencies (216,000 vibrations per hour). Louis Moinet was a watchmaker, scholar, painter, sculptor, and teacher at the School of Fine Arts – as well as the author of Traité d’Horlogerie, a watchmaking treatise published in 1848 and a work of reference throughout the rest of the nineteenth century. Ateliers Louis Moinet is perpetuating this legacy. The firm’s timepieces, produced in limited editions only, have won some of the most coveted awards, including a Red Dot Design Award (Best of the Best category), a prize in the International Chronometry Competition, and a recent UNESCO Award of Merit. Louis Moinet creations often make use of unusual materials, such as fossils and meteorites, in a unique creative approach combined with bespoke fine watchmaking complications. The brand’s core values are creativity, exclusivity, art and design.

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