Reference 2172.70.00 of the Omega Seamaster 300M has a yellow gold case sized 28/29/2mm, an engraved diver's bezel, and a matching bracelet. The dial is white.
Movement Type
Automatic
Caliber
2520Jewels
20
Reserve
42
Frequency
28800
Hands
Center Seconds
Shape
Round
Material
Yellow Gold
Glass
Sapphire
Diameter
28.00 mm
Water Resistance
300.00 m
Dial Color
White
Material
Bracelet