From Longines' popular Master Collection, this round-case automatic watch comes in a blue-dial variant, L2.793.4.92.2. It is documented with caliber L888.3, though different L888 versions might appear based on production year.
Movement Type
Automatic
Caliber
L888.3Jewels
21
Reserve
65
Frequency
25200
Hands
Center Seconds
Shape
Round
Lug Distance
21.00 mm
Material
Stainless Steel
Glass
Sapphire
Thickness
9.80 mm
Diameter
40.00 mm
Water Resistance
30.00 m
Dial Color
Blue
Material
Alligator XL