The ref. 4648.50.31 Deville Chronoscope Co-Axial Rattrapante has a matte red gold case and a black dial - a configuration arguably a bit more traditional compared to the 4648.60.37 with its brown dial.
Movement Type
Automatic
Caliber
36-12Jewels
41
Reserve
100
Frequency
28800
Hands
Small Seconds
Shape
Round
Material
Red Gold
Glass
Sapphire
Diameter
41.00 mm
Water Resistance
100.00 m
Dial Color
Black