The Longines Master Collection Date 42 (ref. L2.893.4.92.2) offers a blue dial in a classic round automatic case. The listing specifies caliber L888.3, though the movement could be a different L888 rendition depending on the 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
Diameter
42.00 mm
Water Resistance
30.00 m
Dial Color
Blue
Material
Alligator XL