Longines' GrandeVitesse Chronograph GMT has a 44mm steel case and an aluminum tachymeter bezel with KM/H and MPH scales. Inside beats the L686 movement, based on the ETA/Valjoux 7754.
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
Black
