As a smaller iteration of the Datejust, the Datejust 31 is often described as 'boys-size'. The case diameter is 31mm, and it is available in many different configurations and materials. Power is provided by the caliber 2235.
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
Grey
Material
Dark Rhodium Floral