Thursday, February 16, 2017

Moritz Grossmann ATUM Enamel Limited Edition

In all of its versions, the ATUM line embodies pure watchmaking artistry. Each model presents a special and inimitable accent. To welcome the dawn of 2017, Grossmann is presenting the ATUM Enamel with an extravagant dial design.
The two-part dial has a white enamel face. The scales and numerals are printed in black. The Roman numeral XII is printed in royal blue to match the strap. Enameled dials were common hallmarks of precious pocket watches and remain very rare features of wristwatches. Connoisseurs appreciate the unique gloss of enamel that cannot be imitated by any lacquering method. The hands are manually crafted and annealed to a rare brown-violet hue.
The ATUM Enamel is endowed with the manufacture calibre 100.1 with the High-Artistic Finish. The Grossmann winder with pusher, the Grossmann balance, the modified Glashütte stopwork, the beat adjustment system with an index tail, and the Grossmann poising screw are the key elements of the pillar movement with the prominent 2/3 plate.
The ATUM Enamel is presented rose-gold and white-gold versions. Both versions come with a white-enameled dial printed in black except for the XII which is printed in blue, and a blue alligator strap. The ATUM Enamel is being introduced in a limited edition of 25 watches per case version.

Technical details
Movement   
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, 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 with No. 80 Breguet terminal curve, Gerstenberger geometry
Balance: Diameter 14.2 mm, frequency 18,000 semi-oscillations per hour
Power reserve: 42 hours when fully wound
Grossmann balance
Lateral pusher for disabling the handsetting mode and starting the movement
Compact 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
Hand-engraved 2/3 plate, balance and escape-wheel cocks
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 handsetting

Functions    
Hours and minutes, subsidiary seconds with stop seconds, Grossmann manual 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

Case
Diameter: 41.0 mm, height: 11.35 mm
Three-part, precious metal
Crystal and display back   
Sapphire crystal, antireflective coating on one side

Dial    
Grand-feu enamel, Roman numerals printed black from I to XI, blue for XII
Hands: Manually crafted, steel, annealed to a brown-violet hue

Strap    
Hand-stitched alligator strap with prong buckle in precious metal

Versions
Reference: MG02.B-02-A000804
Case: 750/000 rose gold
Hands: Manually crafted, steel, annealed to a brown-violet hue
Edition: Limited to 25 watches worldwide

Reference: MG02.B-02-A000807
Case: 750/000 white gold
Hands: Manually crafted, steel, annealed to a brown-violet hue
Edition: Limited to 25 watches worldwide

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