Automatic wind.
Fully functional automatic movement, second hand on sub-dial.
Fully functional stop watch chronographs.
Top chronograph button activates stop watch.
Lower chronograph button resets stop watch, with flyback function.
Exactly identical to genuine Daylight Chrono functions

100% Swiss construction.
Polished stainless steel casing and buckle.
7750 Automatic movement / stop watch chronograph movement.
Fixed tachymeter bezel.
Dome shape sapphire crystal height, curvature intensity like original.
Crafted from actual piece, 1:1 ratio.
Solid SS back.
Black dial.
Rubber band,  double locking spring activated clasp