The updated Rolex Datejust 31, released in 2018, features the caliber 2236 movement and is available in rose, white, or yellow gold. The collection expanded to include 'Rolesor' two-tone models the following year. Reference 278278 features a yellow gold case and a fluted bezel, with various dial options and the choice of either an Oyster or President bracelet.
Shape
Round
Lug Distance
16.00 mm
Material
Yellow Gold
Glass
Sapphire
Diameter
31.00 mm
Water Resistance
100.00 m
Dial Color
Green
Material
Olive - Diamond
Buckle
President