Through the open-worked dial of the Oris TT1 Engine Date, the engine within (caliber Oris 733) can be admired, giving the watch its name.
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
Bracelet
