MODEL | Seconde au Centre Retour à Zéro |
Limitation | 58 pieces |
Ident No. | 103840 |
MOVEMENT | |
Calibre | MB M13.18 |
Movement type | Manually wound retour à Zéro movement |
Chronograph | – |
Indications | Central hours, minutes and seconds, second hand with zero-reset function |
Displays (Chronograph) | – |
Diameter | 29/.50 mm |
Height | 6.40 mm |
Number of components | 196 components |
Number of jewels | 21 jewels (hemispherical, cambered, olive-cut) |
Power reserve | Approx. 55 hrs |
Balance | Screw balance, Ø 11.40 mm; 26 mg.cm2 |
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 | 18K red gold |
Bezel | – |
Sapphire crystal | Cambered sapphire crystal |
Case Back | Screwed domed sapphire crystal case back, hinged cuvette with patented release mechanism |
Crown | With Montblanc emblem in mother-of-pearl |
Dial | Solid 18K gold dial with hand-crafted silver-plated circular-grained decoration |
Hands | 18K gold, central second hand in Pfinodal ® |
Horns | With patented cuvette release mechanism |
Diameter | 41 mm |
Height | 14.8 mm |
Water resistant | 3 bar (30 m) |
STRAP | |
Material/Colour | Hand-stitched alligator-skin / Brown |
Clasp/Buckle | Pin buckle in 18K red gold |