Omega Geneve Dynamic 166045 (39mm). Calibre 564
Tu pista me ha ayudado y tirando desde ese hilo creo que lo tengo, deben ser dos calibres muy parecidos dependiendo del año, te adjunto lo que he encontrado, ver tu opinión:
Omega Geneve Dynamic 166045 (39mm). Calibre 564
Steel Dynamic Omega, “Automatic, Genève, Dynamic,” Ref. ST 166.0145. Made in 1972. Fine, cushion-shaped, water-resistant, center seconds, self-winding, stainless steel
wristwach with date and a stainless steel Omega link bracelet with deployant clasp.
C. One-body, brushed, inclined bezel, screw-down ring to attach the bracelet. D. Black with applied steel quarter hour indexes and luminous dots, aperture for the date. Luminous black and white baton hands. M. Cal. 564, copper-colored, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, index regulator. Dial, case and movement signed. Dim. 39 x 39 mm. Thickness 11 mm