The Longines HydroConquest L3.843.4.56.2 has a stainless steel case measuring 47mm and is powered by the quartz caliber L440.
Movement Type
Quartz
Caliber
L440.2Jewels
27
Hands
Small Seconds
Shape
Round
Lug Distance
24.00 mm
Material
Stainless Steel
Glass
Sapphire
Diameter
47.50 mm
Water Resistance
300.00 m
Dial Color
Black
Material
Rubber
