Its nickname comes from the engine inside the Oris TT1 Engine Date: the caliber Oris 733, visible through the open-worked dial.
Movement Type
Automatic
Caliber
Oris 733Jewels
26
Reserve
38
Frequency
28800
Hands
Center Seconds
Shape
Round
Glass
Sapphire
Diameter
43.00 mm
Water Resistance
100.00 m
Dial Color
Skeleton
Material
Rubber
