
One runs on a battery.
The other runs on you.
An honest comparison of automatic and quartz — and which one deserves your wrist.
Automatic vs quartz · the honest comparison
There are two ways to keep time on your wrist, and watch people will argue about them forever. One is a marvel of efficiency. The other is a small mechanical heart you wind with your own movement. Neither is “better” — but one is almost certainly more you.
Strip away the jargon and the choice is simple once you know what actually separates them.
How each one works
A quartz watch uses a battery and a vibrating quartz crystal to keep near-perfect time. An automatic (self-winding mechanical) watch has no battery at all — a weighted rotor winds a spring as your wrist moves, and a tiny balance wheel doles that energy out, tick by tick.
That single difference — battery versus spring — decides everything that follows.

An open-heart automatic — the mechanism left on show
“Quartz tells the time. Automatic makes it.”— the whole debate, in one line
The five things that matter
Quartz
Power — a battery, changed every few years
Accuracy — near-perfect
Feel — precise, ticking hand
Lifespan — long, but battery-dependent
Soul — sealed and silent
Automatic
Power — your wrist — no battery, ever
Accuracy — a few seconds a day
Feel — living, mechanical, sweeping hand
Lifespan — decades with care
Soul — you can watch it run
Quartz wins on paper. So why does anyone choose automatic?
An automatic isn't trying to be the most efficient way to read the time — your phone already won that fight. It's an object with a pulse, made the same way for three centuries, that happens to live on your wrist. People don't fall for the seconds. They fall for the heartbeat.
Which should you pick?
Want a fuss-free, ultra-accurate daily beater? Quartz is honestly great. Want something with character you'll still be wearing — and showing people — in ten years? That's automatic.
Our open-heart collection sits firmly in the second camp: self-winding, see-through, and built to be noticed.
Where the heartbeat lives
Zentavo Noir
€249,99View the watch
Zentavo Rose
€249,99View the watch
Zentavo Navy
€249,99View the watch
Open-heart automatic · 42 mm 316L steel · 5 ATM · Free 30-day returns
Made, not just told.
If a watch with a pulse sounds like you, this is where to feel one tick.


