Patek Philippe & Co., Genève

Dial: white, Roman numerals, blued steel Breguet hands

Caliber: rectangular gilt lever movement, bimetallic compensation, balance, gold rectangular cuvette

Movement number: 28'391

Case: silver, rectangular form, the exterior decorated with geometric designs highlighted by turquoise and black opaque enamel, front hinged panel fitted with the moment, singing bird concealed beneath an oval cover decorated with polychrome enamel of a Swiss lake scene, rising from a bird-form recess, the reserves pieced and engraved with scrolls

Size: 102 mm x 65 mm x 30 mm

Signed: case and movement

Accessories: associated male key