The Cambio · 24 hour watch

One hand.
Twenty-four hours.

A single hand turns once a day, midday at the top. Time shown more naturally, not more accurately, in the tradition of Jacopo de’Dondi’s 24 hour clock face, Padua, 1344.

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The Cambio with a white dial and polished steel case on a tan leather strap, held in the hand

How to read it

Read the whole day at a glance.

Midday sits at the top, midnight at the bottom. The hand passes each marker only once a day. The dial is marked in 10 minute steps. With a moment's focus you can read it to the nearest five minutes. When does it truly matter if it's 15:59 or 16:00?

14:30

Why it's easier than it looks

One place on the dial, one time of day.

A usual watch2 o'clock looks the same at 2 am and 2 pm. You need the context to know which.
The Cambio14:00, afternoon, top right02:00, night, bottom leftEvery time of day has its own place. Day is above, night is below.
Your day on the CambioWake, lunch, home, sleep: each lands in its own spot. You read the shape of your day, not just the hour.

Why wear a 24 hour watch?

01

Rare by design

Unless you’re a horology buff, you’ve likely never seen an analogue 24 hour dial.

02

A conversation starter

One hand and double the numerals. It’s sure to spark a curious question.

03

A new sense of time

You begin to see where you are in your day, not just when.

04

It’s also a compass

Southern Hemisphere: point the 12 at the sun, and the hand points north.

“The result of wearing the 24 hour dial and single hand is a dramatic shift in how time is perceived in relation to your day.”
Man of Many
“Either a minimalist masterpiece or an annoying waste of time…”
Ross Bilton, The Australian
The Cambio with a black dial on a black leather strap, worn on the wrist

Our story

A 700 year old idea, worn on the wrist.

In 1344, Jacopo de’Dondi built what is widely held to be the first clock face, in Padua. A 24 hour face, of course. When the world moved to the 12 hour system, the 24 hour dial was all but forgotten. Jacopo Dondi began on Kickstarter in 2016, backed by 283 supporters.

Black dial Cambio on a brown strap, worn outdoorsBlack dial rose gold Cambio on a black strapNavy dial Cambio worn with a grey knit sleeveWhite dial rose gold Cambio on a grey strapBlack dial rose gold Cambio on a grey strapWhite dial rose gold Cambio on a brown strap