The Rolex Oyster Perpetual 31 reference 278344RBR-0001 launched in 2020. This timepiece includes a 31.00mm stainless steel case paired with a white gold diamond-set bezel. It runs on the self-winding caliber 2236 and features a black 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
Black
Material
Black - Roman