ZENITH CHRONOMASTER REF. 03.2081.400/78.C813 EL PRIMERO FULL OPEN CAL. 400 B (50H PR)

Polished stainless steel case with fine brushed finished edges & lugs.
Full open skeleton dial with silver and grey outer seconds indicator rim.
Three colored sub-dials: Rimmed in black, grey & blue.
Faceted polished hands & applied indexes with luminous tips.
The Famous El Primero Chronograph stop/watch:
Large red tipped central seconds counter hand (with the Zenith star logo as a counterweight).
30 minute sub-dial counter located at the 3 o'clock position.
12 hour sub-dial counter located at the 6 o'clock position.
Running seconds sub-dial located at the 9 o'clock position.
Date display window located at the 6 o'clock position.
Zenith El Primero Caliber 400 B, beats at 36,600 vph, 31 Jewels, 326 components & an approximate power reserve of 50 hours.