The Datejust 31 serves as a more compact iteration of the Datejust, historically referred to as the 'boys-size' model. The case diameter is 31mm, and it is offered in a wide variety of materials and configurations. It operates using 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
Blue
Material
Blue Diamond
