Crowning the stainless steel case of \[DIAMETER}mm in the Oris TT1 Chronograph {WATCH\_REF\] is a ceramic top ring with engraved tachymeter scale. Power comes from the self-winding caliber Oris 674.
Movement Type
Automatic Chronograph
Caliber
Oris 674Jewels
25
Reserve
48
Frequency
28800
Hands
Small Seconds
Shape
Round
Lug Distance
25.00 mm
Glass
Sapphire
Diameter
45.00 mm
Water Resistance
100.00 m
Dial Color
Black
Material
Bracelet