OMEGA REF. 2852-3 SC AUTOMATIC STEEL
Omega, "Automatic, Chronometer Officially Certified,
Constellation", movement No. 14973956, Ref. OT 285203 S.C.
Made circa 1957.
Fine and rare, self-winding, center seconds, stainless steel
Chronometer wristwatch with a stainless steel Omega buckle.
Two-body, solid, polished and brushed, decagonal
crown, downturned lugs, snap-on case back with Constellation
logo, hesalite crystal with engraved logo in the center.
Silver with stainless steel faceted baton indexes, outer
minute/seconds divisions, applied steel Omega symbol at 12
and applied steel star at 6. Steel luminous dauphine hands.
Cal. 501, copper-colored, 19 jewels, straight-line lever
escapement, monometallic balance adjusted five positions
and temperatures, shock absorber, self-compensating flat
balance spring, micrometer regulator.