El Primero 3-hand watch.
High frequency indication: 1/10th of a second subdial at9 o’clock.
Silicon escape-wheel and lever. Starry sky pattern on the dial.
Full Interchangeable strap system.
El Primero 3620
36’000 VpH – 5Hz
Hours and minutes in the centre.
Stainless steel bracelet and folding clasp. Comes with a blue rubber strap with starry sky