The Datejust 31 is a more compact version of the Datejust, historically known as the 'boys-size' model. Its case diameter is 31mm, and it is available in many different materials and styles. It operates on the caliber 2235 movement.
Movement Type
Automatic
Caliber
2235Jewels
31
Reserve
48
Frequency
28800
Hands
Center Seconds
Shape
Round
Lug Distance
16.00 mm
Material
White Gold
Glass
Sapphire
Diameter
31.00 mm
Water Resistance
100.00 m
Dial Color
Pink
Material
Pink MOP Roman