It may only run for a brief time, and it’s too big for use in an actual wristwatch, but this 3D-printed tourbillon is a great demonstration of the lengths watchmakers will go to to keep ...

That’s because cell networks are timed from satellites, which are in turn timed from atomic clocks. And these days ... gravity chamber that he called a tourbillon, a French word meaning ...

That's flanked by a pair of circle sub dials at the 12- and six o'clock positions. At the top, you'll find the flying tourbillon ... No price is listed for this model, but expect to dig deep ...

Offset within a heavily skeletonised dial, the tourbillon spins proudly at the 7 o'clock position ... of much of their back catalogue, this model employs a beautiful metal bracelet.