



Case
Material : | Stainless steel |
Diameter : | Ø 44 mm |
Thickness : | 14 mm |
Components : | 36 |
Crystal : | Sapphire, glareproofed |
Caseback : | Transparent, in glareproofed sapphire crystal |
Specific features : | nO-Ring® technology by MAURON MUSY Engraved serial number Swiss Crafted |

Movement
Reference : | Calibre 3909A |
Mechanism : | Mechanical movement Swiss lever escapement Bidirectional automatic winding (using the energy produced by wrist movements) |
Power reserve : | 65 hours |
Frequency : | 28’800 vph (4 Hz) |
Diameter : | 30 mm |
Thickness : | 5.6 mm |
Jewels : | 30 |
Components : | 172 |
Inertia : | 16 g/mm2 (extremely accurate and stable rate) |
Oscillating weight : | Ballbearing-mounted |
Crown functions : | Winding the movement Adjusting the hands and date |
Finishing : | Côtes de Genève patterns, rhodium plating. |
Specific features : | Swiss Crafted |

Functions
Hour, Minute : | By central hands |
Second : | By a central hand with a stop-seconds device |
Date : | Semi-instantaneous aperture-type display Date corrector |

Dial
Texture : | Côtes de Genève, Black |
Hour-markers : | Facetted, polished, Black Or-plated appliques, luminescent coating |
Specific feature : | Swiss Made label |
Hands : | Diamond-polished, Black Or-polished luminescent coating |

Water resistance
Pressure : | 10 ATM (100 metres) |
Specific feature : | nO-Ring® by MAURON MUSY Patented direct mechanical sealing technology → Discover the nO-Ring® technology |

Strap
Rubber : | Natural HNBR |
Leather : | Rawhide Timberland calfskin and smooth calfskin |
Case fastening : | Standard spring-bar, 22 mm |
Buckle : | 20 mm stainless steel folding clasp |
Specific feature : | Each watch comes with a rubber strap and a leather strap. |

Maintenance and serving
Advice : | The nO-Ring® technology by MAURON MUSY helps keep servicing to a minimum, by eliminating the need to change seals. Pick up some tips on caring you're your watch on our dedicated page. → See the maintenance tips |
