Whether you prefer a simple GMT hand or a detailed World Timer display, here are some favourite luxury travel timepieces.

Credit: Seiko Seikosha, as the company was initially known, spent three years developing its first pocket watch just before the turn of the century. The Time Keeper was powered by a cylinder ...

(Grand Seiko has previously used this for inspiration ... It adds a chronograph, a world timer and a day display. Each model is limited to 1,500 pieces, with both slated to go on sale starting ...