The 5139 Perpetual Calendar is distinguished by its hobnail-patterned bezel and a black lacquered dial. It is supplied with the option of either an open or a solid case back.
Movement Type
Automatic
Caliber
240 QJewels
27
Reserve
48
Frequency
21600
Hands
Small Seconds
Shape
Round
Material
White Gold
Glass
Sapphire
Thickness
8.70 mm
Diameter
38.00 mm
Water Resistance
30.00 m
Dial Color
Black
