Breitling Geneve, "Astromat, Chronograph Automatic, Quantième Perpétuel,' Ref. K18406. Produced in the 1990s. Very fine and rare, two time-zone, astronomic, self-winding, 18K yellow gold gentleman's wristwatch with perpetual calendar and moon phases,
Breitling Astromat 1461 Semi Perpetual Calendar SS Auto Chronograph A19405 | eBay