Omega Constellation Chronometer Electronic f 300 Hz | eBay
Montre omega electronic F300 Hz avec jour et date, ne fonctionne pas… | eBay
La Cote des Montres : Enchères Omega "Constellation" Chronometer, Electronic F300 Hz. Produced circa 1970. Very fine and rare center-seconds, water-resistant, stainless steel gentleman's electronic wristwatch with date and a stainless steel