The GrandeVitesse Chronograph GMT by Longines comes in a 44mm stainless steel case with an aluminum tachymeter bezel reading both KM/H and MPH. Its movement is the L686, essentially the ETA/Valjoux 7754 adapted by Longines.
Movement Type
Automatic Chronograph
Caliber
L686Jewels
25
Reserve
42
Frequency
28800
Hands
Small Seconds
Shape
Round
Lug Distance
22.00 mm
Material
Stainless Steel
Glass
Sapphire
Diameter
44.00 mm
Water Resistance
50.00 m
Dial Color
Brown
