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Moritz Grossmann BENU No. 1 (Unique piece in 750/000 rose gold)

This unique timepiece was the very first watch manufactured on the early premises of the manufactory on Hauptstraße in Glashütte following the revival of the name Moritz Grossmann.

The watch, limited to a run of 100, was sold out after a short time except for this one. The solid silver dial in the shade argenté is adorned with Arabic numerals and handmade brown-violet hands tempered over an open flame.

The BENU No. 1 in rose gold radiates individuality and unobtrusive elegance in its classic design; qualities that also characterise the uncrowned old master and the man who gave the company its name, Moritz Grossmann.

The BENU No. 1 is offered with the calibre 100.0 in the high artistic hand finish with the engraving 001/ 100.

Technical details

BENU No. 1

Manufacture calibre 100.0, manually wound, adjusted in 5 positions
Diameter: 36.4 mm, height: 5.0 mm
No. of parts 188
No. of jewels 17, of which 3 are in screwed gold chatons
Escapement Lever escapement
Oscillation system shock-resistant screw balance with Breguet overcoil shaped after
Gustav Gerstenberger
Balance Diameter: 14.2 mm, frequency: 18,000 semi-oscillations per hour
Power reserve 42 hours when fully wound

Hours and minutes, subsidiary seconds with stop seconds

Operating elements
Crown 750/000 rose gold, for winding the watch and setting the time

Three-part, 750/000 rose gold
Diameter: 41.0 mm, height: 11.1 mm
Glass and caseback: Sapphire crystal, antireflective coating on one side

Solid silver, argenté, with Arabic numerals
Hands: steel, annealed to a brown-violet hue

Hand-stitched brown alligator strap with solid 750/000 rose gold butterfly clasp

Special features
Plate movement with 2/3 plate and frame pillars made of untreated German silver; 2/3 plate as well as balance and escape-wheel cocks manually engraved; broad horizontal ribbing on the 2/3 plate; three band snailing on the ratchet wheel; screwed, raised gold chatons; separately removable clutch winder; modified Glashütte stopwork with controlled backlash; hand setting with stop seconds; adjustment with Grossmann micrometer screw on cantilevered balance cock

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