Precious Pocket Watches at Sotheby’s, Including a US$7.7 Million AP

A grosse result.

Hands On: F.P. Journe Tourbillon Souverain Vertical Joaillerie Rubis

Maximalist.

Hands On: Chopard L.U.C. Grand Strike

Loud and clear.

In-Depth: Understanding Isochronism and Oscillators

The inherent isochronism of the sprung balance.

Complicated Collectors: James Ward Packard

A private laboratory of time.

Hands On: Chopard L.U.C. Grand Strike

Loud and clear.

Down to the Wire: De Bethune’s In-House Hairsprings

A bespoke hairspring for every balance?

The Urwerk UR-230 Goes Dark

Fibreglass-reinforced ceramic for the final UR-230.

In-Depth: Understanding Isochronism and Oscillators

The inherent isochronism of the sprung balance.

Complicated Collectors: James Ward Packard

A private laboratory of time.

Hands On: F.P. Journe Tourbillon Souverain Vertical Joaillerie Rubis

Maximalist.

Precious Pocket Watches at Sotheby’s, Including a US$7.7 Million AP

A grosse result.

Compact Proportions for the Vacheron Constantin Traditionnelle Perpetual

A unisex makeover for the compact calendar.

Honeygold for the Holidays: A. Lange & Söhne’s New Lange 1 Daymatic

Chocolate and honey.

In-Depth: The Mysterious Double-Movement Patek Philippe Pocket Watches

The who, why, and how.