Montblanc « Collection Villeret 1858 »
Seconde au Centre Retour-à-Zéro

Handwound movement with Retour-à-Zéro function
Movement Minerva 13-18 calibre
Movement type Manually wound movement with Retour-à-Zéro function activated by pulling out crown and horizontal clutch
Dimensions Diameter 29,5 mm, height 6,4 mm
Number of parts 196 (complete movement)
Number of jewels 21 (hemispherical, cambered, olive-cut)
Power reserve 60 hours
Balance Screw balance, Ø 11,40 mm, 26 mgcm2
Frequency 18 000 beats 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: 2N gold-plated, circular-grained, chamfered, diamond hubs on both sides
Pinions: polished faces and toothing, burnished pivots
Indications (watch) Centre hours, minutes and large seconds
Case Limited editions in platinum 950 (unique piece), 18 K white gold (Editions of 8) or rose gold (Editions of 58)
Convex, antireflective 'chevé' sapphire glass and screw-in sapphire glass back under a hinged cuvette
Dimensions Diameter: 41 mm
Height: 13,56 mm
Water-resistance To 3 bar (30 meters)
Horns With patented cuvette release mechanism
Crown With mother-of-pearl Montblanc signet
Dial Solid gold, with hand-guilloched decoration
Hands 18 K gold, large seconds in Pfinodal
Strap Hand-stitched alligator skin; pin buckle in platinum, 18 K white gold or rose gold
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Montblanc « Collection Villeret 1858 »
Grande Seconde au Centre Retour-à-Zéro

Handwound movement with Retour-à-Zéro function
Movement Minerva 16-18 calibre
Movement type Manually wound movement with Retour-à-Zéro function activated by pulling out crown and horizontal clutch
Dimensions Diameter 38,4 mm, height 6,3 mm
Number of parts 209 (complete movement)
Number of jewels 21 (hemispherical, cambered, olive-cut)
Power reserve 55 hours
Balance Screw balance, Ø 14,50 mm, 59 mgcm2
Frequency 18 000 beats 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: 2N gold-plated, circular-grained, chamfered, diamond hubs on both sides
Pinions: polished faces and toothing, burnished pivots
Indications (watch) Hours, minutes and large centre seconds
Case Limited editions in platinum 950 (unique piece), 18 K white gold (Editions of 8) or rose gold (Editions of 58)
Convex, antireflective 'chevé' sapphire glass and screw-in sapphire glass back under a hinged cuvette.
Dimensions Diameter: 47 mm
Height: 13,65 mm
Water-resistance To 3 bar (30 meters)
Horns With patented cuvette release mechanism
Crown With mother-of-pearl Montblanc signet
Dial Solid gold, with hand-guilloched decoration
Hands 18 K gold, large seconds in Pfinodal
Strap Hand-stitched alligator skin; pin buckle in platinum, 18 K white gold or rose gold