The Longines Master Collection L2.841.4.18.5 comes in a 47.5mm stainless steel case with the hand-winding L506 caliber.
Movement Type
Manual
Caliber
L506.2Jewels
17
Reserve
46
Frequency
21600
Hands
Small Seconds
Shape
Round
Lug Distance
25.00 mm
Material
Stainless Steel
Glass
Sapphire
Diameter
47.50 mm
Water Resistance
30.00 m
Dial Color
White
Material
Alligator XL