With a 39mm stainless steel case and automatic L688 caliber (a column-wheel chronograph with date), the Longines Flagship Chronograph comes in reference L48033377 where parts of the case and bracelet are yellow gold PVD-coated.
Movement Type
Automatic Chronograph
Caliber
L688.2Jewels
27
Reserve
54
Frequency
28800
Hands
Small Seconds
Shape
Round
Lug Distance
20.00 mm
Material
Stainless Steel
Glass
Sapphire
Diameter
39.00 mm
Water Resistance
30.00 m
Dial Color
Champagne