Moritz Grossmann ATUM High Art Christmas, Unique Piece, 10th Anniversary Collection

With the ATUM High Art Christmas, the Moritz Grossmann manufactory dedicates its own masterpiece to the most beautiful time of the year, embodying the high art of watchmaking to perfection. Warm rose gold, ‘Christmassy’ red and a high-artistic finish lend the special model of the ATUM line its festive elegant charisma. The noble one-off piece is the part of Moritz Grossmann10th anniversary watch collection.

The case in 750/000 rose gold gives the Christmas red dial its elegant setting. The indexes, also in rose gold, harmonise with it. The handcrafted lance-shaped hands are tempered by hand over an open flame in brown and are given their unique three dimensional shape by manual chamfering. The red bracelet reinforces the effective colour concept. The Grossmann manual winding mechanism with pusher ensures comfortable handling and enables a perfected pointer setting mechanism.

The calibre 100.1 in the high-artistic finish makes the watch a real gem, because all parts are polished, chamfered and ground by hand in elaborate detail work. The sapphire crystal back on the back of the watch reveals the fine mechanical components of the ATUM High Art Christmas. The ATUM High Art Christmas comes with the calibre 100.1 in a High Artistic finish in the single copy 1 of 1.

Technical details

Manufacture calibre 100.1, manually wound, adjusted in five positions
Diameter: 36.4 mm, height: 5.0 mm
No. of parts: 198
No. of jewels: 20 jewels, 3 of which in screwed gold chatons
Escapement: Lever escapement
Oscillator: Shock-absorbed Grossmann balance with 4 inertia and 2 poising screws, Nivarox 1 balance spring with No. 80 Breguet terminal curve, Gustav Gerstenberger geometry
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, Grossmann winder with pusher

Operating elements
Crown in 750/000 gold to wind the watch and set the time, pusher in 750/000 gold to start the movement

Three-part, precious metal
Diameter: 41.0 mm, height: 11.35 mm
Crystal/display back: Sapphire crystal, antireflection-coated on one side

Solid silver, hour markers in solid gold
Hands: Manually crafted, steel or stainless steel, annealed in brown

Hand-stitched alligator strap with prong buckle in precious metal

Special features
Grossmann balance; hand setting override and start of movement with lateral pusher; space-saving modified Glashütte stopwork with backlash; adjustment with Grossmann micrometer screw on a cantilevered balance cock; Pillar movement with 2/3 plate and frame pillars in untreated German silver; 2/3 plate, balance cock, and escape-wheel cock engraved by hand; broad horizontal Glashütte ribbing; 3-band snailing on the ratchet wheel; raised gold chatons with pan-head screws; separately removable clutch winder; stop seconds for hand setting

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