- Reference Number: 03215040053M2150
- Stainless steel case & bracelet.
- Blue sunray dial with tachymeter scale on the flange.
- Three colored subdials of anthracite, grey and silver sunray.
- Faceted polished hands & applied indexes with Superluminova.
- The Famous El Primero Chronograph stop/watch:
- Large red central seconds 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 between 4 and 5 o'clock.
- Zenith El Primero Caliber 400 B, beats at 36,600 vph, 31 Jewels, 278 components & an approximate power reserve of 50 hours.
| Case Shape | Round |
| Case Dimensions | 38mm |
| Case Thickness | 12.45mm |
| Case Material | Stainless Steel |
| Dial Color | Blue |
| Crystal | Anti-Reflective Scratch Resistant Sapphire |
| Screw-in Crown | No |
| 100m/330ft | |
| Case Back | Transparent |
| Band Material | Stainless Steel |
| Color/Finish | Brushed & Polished |
| Clasp | Push Button Folding Clasp |
