L3.637.4.50.6
| Brand : | Longines |
| Collection : | Longines Sport Collection |
| Model : | GrandeVitesse Chronographe 24h |
| Reference : | L3.637.4.50.6 |
| Complement : | Steel - Black Aluminium Bezel |
| Year : | 2009 |
| Is not commercialised any more | |
| Brand : | Longines |
| Collection : | Longines Sport Collection |
| Model : | GrandeVitesse Chronographe 24h |
| Reference : | L3.637.4.50.6 |
| Complement : | Steel - Black Aluminium Bezel |
| Year : | 2009 |
| Is not commercialised any more | |
| List Price : | On request |
| Diameter : | 44 mm |
| Styles : | Sporty |
| Types : | Self-winding |
| Calibre : | L686 (ETA Valjoux 7754) |
| Complication : | Second Time Zone (GMT) 30-Minute Counter Tachymeter Chronograph 12-Hour Counter |
| Case material : | Stainless steel |
| Case peculiarity : | Sapphire caseback Black aluminium bezel |
| Shape : | Round |
| Water-resistance : | 50 meters |
| Dial color : | Black |
| Display : | Superluminova luminescent hands |
| Indexes : | Arabic numerals Baton-type |
| Glass : | Sapphire Antireflective coating |
| Strap material : | Stainless steel |
| Strap clasp : | Triple folding buckle |
| + More characteristics : | Movement 25 jewels Frequency : 28 800 vibrations per hour Power reserve : 46 hours Dial Black 24-hour hand with red tip. coated in Superluminova Black aluminium bezel with double Mach 2 tachymeter (kph and MPH) |
| Brand : | Longines |
| Collection : | Longines Sport Collection |
| Model : | GrandeVitesse Chronographe 24h |
| Reference : | L3.637.4.50.6 |
| Complement : | Steel - Black Aluminium Bezel |
| Year : | 2009 |
| Is not commercialised any more | |
| List Price : | On request |
| Diameter : | 44 mm |
| Styles : | Sporty |
| Types : | Self-winding |
| Calibre : | L686 (ETA Valjoux 7754) |
| Complication : | Second Time Zone (GMT) 30-Minute Counter Tachymeter Chronograph 12-Hour Counter |
| Case material : | Stainless steel |
| Case peculiarity : | Sapphire caseback Black aluminium bezel |
| Shape : | Round |
| Water-resistance : | 50 meters |
| Dial color : | Black |
| Display : | Superluminova luminescent hands |
| Indexes : | Arabic numerals Baton-type |
| Glass : | Sapphire Antireflective coating |
| Strap material : | Stainless steel |
| Strap clasp : | Triple folding buckle |
| More characteristics : | Movement 25 jewels Frequency : 28 800 vibrations per hour Power reserve : 46 hours Dial Black 24-hour hand with red tip. coated in Superluminova Black aluminium bezel with double Mach 2 tachymeter (kph and MPH) |