The Omega DeVille LadyMatic reference 425.63.34.20.55.002 has a yellow gold case (34mm) shielding its self-winding caliber 8521 movement. Both the mother-of-pearl dial as well as the strap are white.
Movement Type
Automatic
Caliber
8521Reserve
50
Frequency
25200
Hands
Center Seconds
Shape
Round
Material
Yellow Gold
Glass
Sapphire
Diameter
34.00 mm
Water Resistance
100.00 m
Dial Color
White