| MODEL | Montblanc Nicolas Rieussec Chronograph – Open Date |
| Ident No. | 104981 |
| MOVEMENT | |
| Calibre | Montblanc MB R110 |
| Features | Monopusher chronograph with manual winding, Column-wheel control and vertical disc clutch, 13 3/4”’ (31 mm), thickness 7.60 mm, 278 parts, large balance wheel with screws (moment of inertia: 12 mg.cm2, diameter: 9.70 mm), flat hairspring, rhodium-plated and circular-grained plates, rhodium-plated bridges with Geneva striping, wheel train with special toothing for more efficient power transmission, Power-reserve display on case back |
| Indications | Off-centre hour – minute hands, date display |
| Complications | 30 min. and 60 sec. counters with rotating discs, date by disc |
| Battery | – |
| Power Reserve | Approx. 72 hrs |
| Frequency/Jewels | 28,800/h, 33 jewels |
| CASE | |
| Material | Stainless steel |
| Bezel | Fixed |
| Sapphire Crystal | Domed sapphire crystal with double anti-reflective coating |
| Case Back | Sapphire crystal case back |
| Crown | Non-screw crown, 1 O-ring |
| Dial | Anthracite dial with black numerals on applique hour circle |
| Hands | Blued steel feuille and baton hands |
| Distance between horns/clasp | 22/20 mm |
| Diameter | 43 mm |
| Height | 14.8 mm |
| Water resistant | 3 bar (30 m) |
| BRACELET/STRAP | |
| Material/Colour | Alligator-skin strap / Black |
| Clasp/Buckle | Double-folding clasp |
