A beautiful Breguet Marine Hora Mundi World Time with Date, Ref. 3700BA, crafted in 18k yellow gold. 

Its gold-toned dial features a 12-hour ring with Roman numeral hour markers, a rotating 24-hour ring for tracking a second timezone, and an outer rotating ring displaying 24 world cities. A date aperture is positioned at 6 o’clock on the sunken central sector, which is exquisitely engraved with the meridians and parallels of the Earth.

The case measures 38mm in diameter and houses the self-winding movement. It is accompanied by a Breguet 18k deployant buckle. Circa late 1990s.