penfriend
2635
High complication haute horlogerie - NWA
Mar 24, 2022,07:45 AM
Some quick pictures of my new timepiece featuring a regulator dial, GMT, Rattrapante and the patented exo-tourbillon.
Pretty big and three dimensional caliber which is the deepest and nicest I have ever seen, even compared to an ALS Rattrapante. I know that some here have handled it before. Produced on demand with a looong time for production...
Here is the official fact sheet:
Model ExoTourbillon Rattrapante
Ident No. 111823
Movement:
Calibre: MB M16.61
Movement type: Manually wound monopusher split-seconds chronograph with 4-minute ExoTourbillon at 12 o‘clock
Chronograph: Monopusher split-seconds chronograph mechanism with column wheel and horizontal coupling
Indications: Hours and home time at 6 o‘clock - central minutes - seconds at 9 o‘clock - day and night display at 4 o‘clock
Displays (Chronograph): Central seconds and split-seconds, 30-minutes counter at 3 o‘clock
Diameter: 38.40 mm
Height: 12.27 mm
Number of components: 422 components
Number of jewels: 33 jewels (hemispherical, cambered, olive-cut)
Power reserve: Approx. 50 hrs
Balance: Screw balance, Ø 14.5 mm; 59 mg.cm
Frequency: 18,000 vibrations per hour (2.5 Hz)
Balance spring: With Phillips curve
Plate: Rhodium-plated German silver, circular-grained on both sides, hand-chamfered edges
Bridges: Rhodium-plated German silver, “Côtes de Genève”, recesses circular-grained on both sides, hand-chamfered edges
Going train: Wheels: gold-plated, circular-grained, chamfered, diamond hubs on both sides
Pinions: polished faces and toothing, burnished pivots
Case
Material: 18 K White gold
Sapphire crystal: Cambered sapphire crystal
Case back: Sapphire crystal case back
Crown: Integrated chronograph pusher with Montblanc emblem in mother-of-pearl
Dial: Solid 18 K gold dial with silver-plated grained decoration and Grand Feu enamel rings
Hands: 18 K gold and blued stainless steel, chronograph hands in steel and blued stainless steel
Diameter: 47 mm
Height: 18.20 mm
Water resistant: 3 bar (30 m)
Strap
Material/Colour: Hand-stitched alligator-skin / Black
Clasp/Buckle: Pin buckle in 18 K white gold
Limitation: 18 pieces
This message has been edited by amanico on 2022-03-24 09:32:55