A GENTS ETERNA SONIC BRACELET WATCH
Maker: Eterna.
Model: Kontiki - Electronic.
Ref: 131FTT.
Date: 1970's.
Movement: Signed, electronic 'tuning fork', cal. 1550 (ETA-ESA 9162).
Dial: Signed, blue, red outer minute track, block hour markers, date aperture at the 3 o'clock position.
Case: Signed, stainless steel, fixed bezel, the screw-down case back bearing model, movement information within, including Bulova patent, the outside inlaid with a gold roundel depicting a KonTiki at sea and numbered '5854913'.
Bracelet: Original Gay Frères bracelet with original signed Kontiki deployment clasp.
Size: 37mm.