TEFNUT Silver-Plated by Friction yellow gold with green strap

TEFNUT Silver-Plated by Friction

from 52.500 €

incl. VAT - Delivery and shipping costs included

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Description

The year 2026 is a special one for the Moritz Grossmann manufactory in Glashütte, as its founder and namesake was born on 27 March 1826 – exactly 200 years ago. 

The third special edition for the 200th birthday of Moritz Grossmann: on 29 April 2026, the manufactory will debut two versions of the TEFNUT Silver-Plated by Friction, one with a yellow gold case and the other with a white gold case. This means the anniversary will be offering a further premiere, namely, the first time that the TEFNUT model will be available with a yellow gold case.

Both models reference the anniversary year with an ‘1826’ engraving on the movement’s balance cock. The vintage ‘M. GROSSMANN’ logo on the dial, appearing just as it did in 1875, is a further homage to history. 

Additional information

Version

,

Movement

regulated in five positions, Manufacture calibre 102.1
No. of parts

188
Balance

Diameter: 10.0 mm, Frequency: 21,600 semi-oscillations per hour
No. of jewels

22, of which 3 in screwed gold chatons
Escapement

Lever escapement
Oscillator

Nivarox 1 balance spring, Shock-resistant Grossmann balance with 4 inertia and 2 poising screws
Power reserve

48 hours when fully wound
Functions

Hours and minutes
Operating elements

Crown in 750/000 gold for winding the watch and setting the time
Case Dimensions

Diameter: 39.0 mm, height: 8.5 mm
Movement dimensions

Diameter: 26.0 mm, height: 3.5 mm
Case

750/000 gold, three part
Dial

Brass, engraved, set in green and hand silver-plated by friction
Hands

Manually crafted, polished gold or steel annealed to a brown-violet hue
Crystal / display back

Sapphire crystal, antireflective coating on one side
Strap

alligator leather, hand-stiched, prong buckle in 750/000 gold
Special Features

separately removable clutch winding mechanism, adjustment with Grossmann micrometer screw, impulse pin integrated in rim, remodified Glashütte stopwork with backlash, special ‘1826’ engraving on balance cock, raised gold chatons with pan-head screws, ARCAP train wheels, balance staff with integrated safety roller, flat balance spring, mainspring barrel with bilateral jewel bearings for optimised power management, plate movement with 3/5 plate and frame pillars, proprietary escapement with 18-tooth escape wheel, shock-resistant balance with inertia and poising screws

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