The Heuer Carrera appeared back in 1963.  It remains a very sleek chronogprah and is inspired by the brand's 1960s design, this is the Heuer Carrera (39MM) Calibre 18 Automatic Chronograph Glassbox. It is in very good condition on a matching leather bracelet. 
 
*** The pictures may show the reflection of the camera lens, black spots mostly ***

Details:
 
Make: Tag Heuer 
Model: Carrera "Glassbox"
Reference:  CAR221A
Year: 1970's reissue 2015
Material: Steel
Dimensions: 39mm
Crystal: Sapphire
Movement: Automatic
Bracelet/Strap: Leather
Box/Papers: No/No