Calibre 1489 K.
Case ref. 138 FT Case Nr. 5889183
Size without crown 34 mm. x 39 mm.
Production year: 1972 according to the Eterna factory list.
In New Old Stock condition, completely serviced as usual.
Originally signed glass,( 5 points in the centre of the glass) strap and buckle.
Quick date setting by pulling out the signed crown.
As Eterna was a co-founder of ETA movements they did use
there own calibres inferred of ETA.
For example calibre, 1489K was based on an ETA calibre 2433
but made to Eterna,s own specification.