Carrera Twin chronograph combines analog and LCD displays -- analog hands show time-of-day and LCD panel switches modes to display (a) date and running seconds, (b) second timezone (GMT) or (c) stopwatch (chronograph).
Carrera Twin Chronograph
Carrera Twin — Black Dial and Bezel (Ref 371.253 N)
Reference 371.253 N has stainless steel case, luminous black dial and black bezel
Carrera Twin — Silver Gray Dial and Black Bezel (Ref 371.253 G)
Reference 371.253 G has stainless steel case, silver gray dial and black bezel