The 103 St Ty serves as a simplified iteration of the standard 103 St, omitting the rotating pilot's bezel in favor of a dial-mounted tachymeter scale. Sapphire crystal for the front and case back could be selected as an optional upgrade.
Movement Type
Automatic Chronograph
Caliber
7750Jewels
25
Reserve
42
Frequency
28800
Hands
Small Seconds
Shape
Round
Lug Distance
20.00 mm
Material
Stainless Steel
Glass
Plexi
Thickness
15.50 mm
Diameter
41.00 mm
Water Resistance
200.00 m
Dial Color
Black
