Moritz Grossmann TEFNUT Sleeping Beauty Gold, Unique Piece, 10th Anniversary Collection

On the occasion of its tenth anniversary the Moritz Grossmann manufactory presents the TEFNUT Sleeping Beauty Gold. This special jewellery watch combines exceptional design with sophisticated construction and delights with its inner and outer beauty. A golden polish in rosé makes the watch glow from all angles. On the inside, the precise mechanics meet the highest standards in both form and functionality.

Designed by Michael Koh, painter, sculptor and one of Singapore’s leading jewellery designers, the delicate TEFNUT Sleeping Beauty Gold draws you into the mysterious world of the moon. The radiant guilloche in rosé mother-of-pearl surrounds the golden, finely drawn moon and invites you to dream – the Beauty sleeps in the night; the moon watches over the hours gently and wisely. The Roman numerals are black harmonise with the asymmetrical guilloché pattern and the case made from rose gold, which rises gently from the crown to the 9 o’clock side.

A ring of white brilliant-cut diamonds traces this image by widening to the side as well, creating a radiant frame for the work of art. Like the crown, the spring bars float freely on one side and are decorated with red gemstone cabuchons. The calibre 102.0 in artistic hand finish also lets the watch shine from the inside.

During his creative period in the 19th century, Moritz Grossmann manufactured elegant pocket watches for ladies from precious metals and equipped them with high-quality movements. Christine Hutter, founder and managing director of the Grossmann Uhren manufactory, continues this high standard in the present day. The TEFNUT Sleeping Beauty Gold combines sophisticated construction with graceful design.

The TEFNUT Sleeping Beauty Gold is a one-off piece and is presented with the calibre 102.0 in the edition 1 of 1.

Technical details

Manufacture calibre 102.0, manually wound, adjusted in five positions
Diameter: 26.0 mm, height: 3.45 mm
No. of parts: 196
No. of jewels: 26, of which 3 in screwed gold chatons
Escapement: Lever escapement
Oscillator: Shock-resistant Grossmann balance with 4 inertia and 2 poising screws, Nivarox 1 balance spring
Balance Diameter: 10.0 mm, Frequency: 21,600 semi-oscillations per hour
Power reserve: 48 hours when fully wound

Hours and minutes

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

Three-part, in 750/000 gold
Diameter: 36.0 mm, height: 9,87/7,1 mm
Diamonds Bezel set with 62 brilliant-cut diamonds, TW vvsi
Crystal and display back: Sapphire crystal, antireflective coating on one side

Faced with mother of pearl, guilloched, roman numerals, moon disk made of mother-of-pearl, diamond ring with 62 brilliant cut diamonds, TW vvsi
Hands: Manually crafted, steel annealed to a brown or brown-violet hue

Leather 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 optimized power management; ARCAP train wheel; proprietary escapement with 18-tooth escape wheel

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