Longines L3.637.4.50.6
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GrandeVitesse Chronograph 24h
| Brand: | Longines |
|---|---|
| Family: | GrandeVitesse |
| Reference: | L3.637.4.50.6 (aka: L36374506) |
| Name: | GrandeVitesse Chronograph 24h |
| Produced: | 2009 - 2011 |
| Limited: | No |
Case
| Material: | Stainless steel |
|---|---|
| Bezel: | Tachymeter |
| Glass: | Sapphire |
| Back: | Open |
| Shape: | Round |
| Diameter: | 44.00 mm |
| Lug Width: | 22.00 mm |
| W/R: | 50.00 m |
Dial
| Color: | Black |
|---|---|
| Indexes: | Stick / Dot |
| Hands: | Stick |
Movement
Longines version of ETA 7754.
| Type: | Automatic |
|---|---|
| Brand: | Longines |
| Caliber: | L686 |
| Base: | ETA 7754 |
| Display: | Analog |
| Diameter: | 30.00 mm |
| Jewels: | 25 |
| Reserve: | 42 h |
| Frequency: | 28800 bph |
| Time: | Additional 24 Hour Hand (adjustable), Hours, Minutes, Small Seconds |
| Date: | Date |
| Chronograph: | Chronograph |
Description
The Longines GrandeVitesse Chronograph GMT has a stainless steel case of 44mm, fitted with an aluminum tachymeter bezel calibrated for both KM/H and MPH. This watch is powered by caliber L686, which is Longines' version of the ETA / Valjoux 7754.