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The most advanced watch winder on the planet.

ChronoArx keeps your automatic watches wound, recorded, and ready to wear, and looks beautiful doing it.

The ChronoArx winder, a single unit, on a plain ground.

You do not need a watch winder.

Nobody does. It's a nice thing to have, and ChronoArx keeps it that way. It winds your automatic watches and displays them, the way a good winder always has.

A mechanical watch should stay mechanical. The trouble is that a movement built that way tells you nothing about itself. So we built the bridge. ChronoArx is the one object that holds your watch every day, so it is the one that can keep the record: what is wound, what is resting, what is running right now, what is due for service, and what each watch is worth on the market today. That is telemetry and a record no winder has given you before. One foot in horology, one in the data, and neither gets in the other's way.

The ChronoArx winder drawn in line, separated into its parts.
drawn page turn, exploded view

The winder.

One watch per unit. Buy one, or build a stack.

  • The case body is machined from one solid rod of aluminium, not assembled from separate parts.
  • The drivetrain runs near silent. We source from European suppliers wherever we can.
  • The drive couples through magnets rather than a fixed mechanical link. Under strain it decouples instead of passing the load on.
  • A magnetic shield sits between the movement and the rest of the unit, the drivetrain included.
  • Runs from USB-C, or from a battery when there is no cable to hand.
  • The dial opening is angled into the body, so the face is turned toward you. It holds in both mounting orientations.
  • When it comes to rest, the watch is left with twelve at the top, ready to read.
  • The same unit sits flat or stands upright. One body, two orientations.
  • Design registered with the EUIPO, RCD No. 015137119-0001.

The platform.

The collection, the service record, the market value and the live winder state are one system, written for this.

Your collection.

Every watch, what you paid, when you bought it, and where it is right now.

Service standing.

What has been serviced, what is due, and what has gone too long.

Value estimation.

What each watch is worth on the market today, as a range built from real listings, not one guessed number.

Live state.

When a winder is running you see it. When it goes offline you see that too.

No winder required.

Log your collection today. The hardware slots in when it arrives.

A screen recording of the ChronoArx collection view, showing several watches with purchase details and service standing.
A screen recording of the ChronoArx collection view on a phone.

Built by an engineer who wanted one.

I am Tom, a mechanical and aerospace engineer. I worked on gas turbine engines for private jets, on the powertrains of Italian and German high-performance cars, and led the development of high-precision measurement systems. Watches got me the same way those did: precision engineering and craftsmanship you can hold in your hand. I am building ChronoArx because every mechanical device needs proper monitoring and maintenance, and a watch is no exception.

Tom, founder. Follow the build: @chronoarx

Tom, arms folded, in front of a plaster wall.
Series one

500

Individually numbered.

Series one.

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