Glossary

Spinel

Spinel

A gemstone found in every pastel colour. The red variety was often mistaken for ruby. It has a hardness of 8, a specific gravity of 3.58-4.06, and a refractive index of 1.72.

Perimeter

Haute Horlogerie Perimeter

Which are the features of a Fine Watch? Learn about the criterias of Fine Watchmaking.

HH Magazine News

TAG Heuer's Pendulum does away with the balance spring

23 May 2013

Unveiled as a concept watch in 2010, the magnetic Pendulum system is now ready for production. Maximum frequency is curr…

A new record for Rolex at auction

17 May 2013

While Patek Philippe again claimed the most valuable lot at the spring auction session in Geneva, Rolex confirmed its as…