The Class collection invests the El Primero chronograph with a powerful sense of elegance: its size and shape marry with the wrist in a subtle balance of strength and timeless refinement. The steel case, with its combination of polished and satin-finished surfaces, houses a hand-wound version of the legendary movement.

Brand: ZENITH
Model: Class El Primero
Movement: Hand-wound, calibre 13''', 36,000 V/h, 25 rubies
Over 50-hour power reserve
Function: Hours, minutes, seconds, date, chronograph
Case: Polished and satin-finished steel
Cambered sapphire crystal, transparent back
Water-resistant to 100 m
Dial: Date display
Small seconds
30-minute and 12-hour totalizers, tachometer
Bracelet / Strap: Louisiana crocodile