Breguet Montre de poche 1907

The Breguet Classique Montre de poche 1907, reference 1907BA/12, is housed in an 18K gold case measuring 57.9mm with a sapphire caseback. The silvered gold dial is hand-engraved on a rose engine, featuring an off-centred chapter ring, a centre minute hand, and small seconds mounted on the tourbillon shaft. The movement is the hand-wound Breguet calibre 508 GS, which combines a grand strike function with a tourbillon and offers a power reserve of 56 hours.