Montblanc 1858 The Unveiled Secret Minerva Monopusher Chronograph LE18

The Montblanc Unveiled Secret Minerva Monopusher Chronograph turns the movement over to reveal all its beauty.

When it comes to complicated watch movements, the chronograph is without a doubt one of the most mesmerizing with all its intricately linked components that come into play to display elapsed time. And when that movement is based on the historic Minerva MB 16.29 monopusher chronograph calibre, the magic is off the charts!

MOVEMENT

Montblanc Manufacture Caliber MB M16.26

Movement type: new hand-polished, hand-wound, in-house movement, monopusher chronograph watch with reversible movement visible from the dial, with adjustment device, transmission links, bridges and splints

Complications: Hours, minutes, seconds monopusher chronograph with 

column wheel and horizontal coupling

Dimensions: Diameter=37.50mm; Thickness=7.05mm

Number of components: 273

Number of Bearing Stones: 26

Power reserve: about 50 hours

Balance wheel: balanced by screws, diameter = 14.50 mm

Vibration frequency: 18,000 A/h (2.5 Hz)

Hairspring: Phillips curve hairspring

Plate: rhodium-plated German silver Côtes de Genève bridge, double-sided pearl pattern, hand-chamfered and trimmed

Transmission link: gold-plated, pearl pattern, chamfering, diamond wheel centers on both sides

Indication: Central hour, minute and chronograph seconds, 30-minute counter at 3 o'clock, small seconds at 9 o'clock

CASE

Case: Stainless steel case, satin and polished finishes

Bezel: Fixed grooved bezel in white gold, satin-finished and polished

Crystal glass: curved box glass, anti-reflective coating

Case back: monochrome lime gold case back, engraved

"Minerva Montblanc Manufacture" lettering

Dimensions: Diameter= 43mm

Water resistance: 3 bar (30 meters)

Crown: Fluted single pusher steel crown, engraved with the Montblanc logo, satin-finished and polished

Dial: Skeleton dial, Arabic numerals coated with blue Super-LumiNova®, engraved with Minuterie-Montblanc-MB M16.26-Swiss Made

Hands: Seconds and minutes counters, silver-plated brass cathedral hour, minute and seconds hands with blue arrows, coated with white Super-LumiNova® that emits blue light, arrow-shaped brass chronograph minutes and seconds hands small seconds

Strap: Blue alligator leather strap with blue stitching, blue alligator leather lining with small scales, and stainless steel pin buckle

※Certified by the Montblanc laboratory 500-hour test※

REF:  MB129613