ZENITH IN GOLD, 20S Case: signed, n. 10497, two-body...

ZENITH IN GOLD, 20S
Case: signed, n. 10497, two-body in 18K gold, screwed bezel.
Dial: signed, white enamel, Arabic numerals, minute track, small seconds, lozenge hands.
Movement: signed, key-less winding, n. 2588879, gilded, cut compensated bimetallic balance with screws, Breguet hairspring, cam micrometer regulator.
Accessories: –
Diameter Ø: 49 mm | Weight: 78.4 g
Note: working.