Eterna Centenaire 61 date
beautiful indexed, champagne dial, original crown, strap and buckle
Calibre 1439 U
Case ref. 406 IVT goldplated top, steel back, a size bigger as usual 37,3 mm.
Calibre 1439U is based at Eta calibre 2433 but made to Eterna,s specification,
start of production 1956