Zenith
Chronomaster Original El Primero
Ref. 03.3200.3600/21.C903
A modern reinterpretation of the iconic Chronomaster line, this model features the legendary El Primero 3600 automatic chronograph movement, known for its high-frequency vibrations and 60-hour power reserve. The 38mm stainless steel case combines vintage design cues with contemporary sporty sophistication, paired with a black 'reverse panda' dial and interchangeable straps (steel bracelet or leather strap). It is part of Zenith’s heritage-inspired yet innovative Chronomaster Original collection, blending racing heritage with refined elegance.
crystalScratch-resistant sapphire
braceletStainless steel bracelet with flip-lock clasp (also available with brown calfskin leather strap, deployment clasp, and push-button fold-over clasp)
movementZenith El Primero automatic self-winding caliber 3600, 60-hour power reserve, 35 jewels, chronograph with 1/10th second precision
functionsDate (between 4 and 5 o'clock), chronograph (3 subdials: 1/10th second at 3 o'clock, 60 seconds at 6 o'clock, 60 minutes at 9 o'clock), small seconds
dial colorBlack ('reverse panda')
case diameter38.0
case materialStainless steel
water resistance50 meters
year2021
A registered Zenith 03.3200.3600/21.C903 carries a permanent RGATT passport: origin, history and owners, verifiable by anyone, and a documented history makes a watch easier to sell.