Moritz Grossmann TEFNUT Lady Butterfly by Harriet Oberlaender

With the TEFNUT Lady Butterfly, watch manufactory Moritz Grossmann presents aslice of great happiness in the smallest space. In accordance with the artistic design created by Harriet Oberlaender, a swarm of colourful butterflies has been painted on the mere 29 mm mother of pearl dial by hand in the form of a miniature painting. For the artist, the butterfly is a playful symbol of lightness and the preciousness of each moment.

Born in Zwickau, artist Harriet Oberlaender has lived and worked on the Cote d’Azur for more than 20 years and has inspired an international audience in numerous exhibitions in France and Germany. Her expressive, energetic works are characterised by a feeling of freedom, expanse and the search for true happiness. Her visual language leads straight to the heart. The butterfly – one of the key motifs in her works – is a symbol of the human soul that wants to unfold and fly.

The mother of pearl dial forms the perfect backdrop for the colourful butterfly motif of Moritz Grossmann’s new, exclusive watch model, which is applied by hand with a delicate stroke. The work of art is framed by a rose gold or white gold case and a slender bezel, each optionally available with 80 brilliant-cut diamonds.

A stone worked into the crown blends seamlessly into the sophisticated look of the watch. The handmade Grossmann hands, tempered in brown violet over an open flame, and the satin strap form a calm contrast to the play of colour.

The sapphire crystal back on the rear of the watch reveals the mechanically sophisticated inner workings and also contains the artist’s signature. The caliber 102.1 sparkles in High Artistic finish with all the Grossmann elements such as the cantilevered balance cock with Grossmann micrometer screw, the raised gold chatons, the separately removable winding mechanism and the mass-optimised Grossmann balance.

Technical details

Manufactory calibre 102.1, manual winding, regulated in five positions
Diameter: 26.0 mm, height: 3.5 mm
No. of parts 188
Jewels 22, of which 3 in screwed gold chatons
Escapement Lever escapement
Oscillator Shock-resistant Grossmann balance with 4 inertia screws and 2 poising screws, Nivarox 1 balance spring
Balance Diameter: 10.0 mm, frequency: 21,600 semi-oscillations/hour
Power reserve 48 hours when fully wound

Hour, minute

Operating elements
Crown in 750/000 gold with jewel for winding the watch and setting the time

Three-part, in 750/000 gold
Diameter: 36.0 mm, height: 8.6 mm
Bezel set with 80 brilliant-cut diamonds, 0.73 ct, TW vvsi
Crystal/display back: Sapphire crystal, antireflective coating on one side

Mother of pearl, hand-painted
Hands: Manually crafted from steel, annealed to a brown-violet hue

Satin strap with prong buckle in 750/000 gold

Special features
Shock-resistant balance with inertia and poising screws, impulse pin integrated in rim; flat balance spring; balance staff with integrated safety roller; index adjuster with Grossmann micrometer screw; plate movement with 3/5 plate, frame pillars and separately removable clutch winding mechanism; frame parts in untreated German silver; raised gold chatons with pan-head screws; remodified Glashütte stopwork with backlash; mainspring barrel with bilateral jewel bearings for optimised power management in the low-torque range; ARCAP train wheels; proprietary escapement with 18-tooth escape wheel

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