Eterna.Matic Centenaire early edition.
18 ktr. solid yellow gold case and 14 ktr. solid gold buckle.
Case size 34,5 mm. without the signed original crown.
Calibre: 1429 U based at Caliber 2430/33 with a BpH of 18.000.
Start of production 1956.
A great watch complete serviced, new tube original model crown etc.