For the ref. 232.18.38.20.04.001 Seamaster Planet Ocean, the white dial is matched with an alligator strap and a diamond-set bezel. The movement is the caliber 8520.
Movement Type
Automatic
Caliber
8520Reserve
50
Frequency
25200
Hands
Center Seconds
Shape
Round
Material
Stainless Steel
Glass
Sapphire
Diameter
37.50 mm
Water Resistance
600.00 m
Dial Color
White
Material
White
Buckle
Alligator