The Datejust 31 is a scaled-down version of the standard Datejust, often known as 'boys-size.' The case spans 31mm and is offered in a wide variety of materials and configurations. It is equipped with the caliber 2235 movement.
Movement Type
Automatic
Caliber
2235Jewels
31
Reserve
48
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