OMEGA CONSTELLATION ELECTRONIC f300Hz. REF. 198.002. CIRCA 1972 Bracelet watch in 18K (750) yellow gold on leather. Case: matt gold tonneau, polished bezel, screw-down caseback, engraved 'Dowell Schlumberger, R. Schwartzmann, twenty years'. Dial: gilded, Omega logo applied at noon, red central seconds, date window. Movement: tuning fork, cal. Omega 1250, chronometer-certified, signed Bulova & Pat, N°34'800'491. Strap: leather with attached buckle. Dial, case and movement signed. Size: 43 x 38mm Gross weight: 66.4g