please read all Description before buying 

Two of the subdials exhibit a Silver-to-brown color change a little , visible beneath the hands.
Daily difference : +7 sec per day (s/d)
Scratches and signs of wear are visible on the case, case back, pushers, crown, and clasp.
Technical Data : 
Brand: Zenith El Primero Chronomaster chronograph
Estimated year of production: 1990-2002
Gender: men's
Movement: Automatic  caliber 400
Case: Stainless steel 
Case back: Exhibition , Stainless steel 
Case without crown: 40 mm
Case with crown: 42  mm
Lug to lug: 46.5  mm
Thickness (Crystal included): 12  mm
Lug width: 20  mm 
Bracelet: non original -free size
Buckle: original 
Crown: original
Crystal: sapphire (condition: 10/10)
Watch condition : 8/10
Waterproof: not tested
Box: no
Paper: no
Document: without

Watch working without any problem 
You can change the Time by crown ( first step )
you can change the DATE by crown ( second  step )

Chronograph function 
First pusher start/stop : working
Second pusher return to 12 : working 

if you have any question feel free 

Free shipping