Approx. Ø39mm, ca. 40g, 18K gold, elaborate enamelled, convertible case à-goutte, serial number 51496, dust cover signed, to be carried in 2 variants, cylinder inhibition with repetition, guilloche dial, golden Breguetzeiger, glass missing, 1 hinge sleeve need restoration, repetition needs service, walkable. Despite small defects, this is an extremely rare collector's watch. Breguet type convertible housings in this small size are extremely rare, especially in combination with a repetition.