The Rolex Oyster Perpetual 31 reference 278344RBR-0029 launched in 2020. This model pairs a 31mm stainless steel case with a white gold bezel set with diamonds. It utilizes the self-winding caliber 2236 and features a grey dial.
Movement Type
Automatic
Caliber
2236Jewels
31
Reserve
55
Frequency
28800
Hands
Center Seconds
Shape
Round
Lug Distance
16.00 mm
Glass
Sapphire
Diameter
31.00 mm
Water Resistance
100.00 m
Dial Color
Grey
Material
Grey - Roman