Eterna Sonic F300 electronic.
Calibre 1550 Esa 9162 Bulova licensed
Case ref. 149 T
Size without signed crown 36 mm. x 40 mm.
Start of production 1970.
Originally signed glass,( 5 points in the centre of the glass).
Quick date setting by pulling out the signed crown.
Beautifull dark blue striped dial, shining hands and date cadaster.
Original BOX! non-brand strap and buckle.