Known historically as the 'boys-size' model, the Datejust 31 is a scaled-down version of the standard Datejust. Its 31mm case is available in a wide variety of materials and aesthetic options. It is driven by 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
Brown
Material
Chocolate Roman