This particular Longines Master Collection Date has a 38.5mm case accommodating the L619, a dependable Longines movement stemming from the ETA 619.
Movement Type
Automatic
Caliber
L619.2Jewels
21
Reserve
42
Frequency
28800
Hands
Center Seconds
Shape
Round
Lug Distance
20.00 mm
Glass
Sapphire
Diameter
38.50 mm
Water Resistance
30.00 m
Dial Color
White