Omega Seamaster Ref. 566.026 steel lady’s vintage wristwatch, circa 1970

Omega calibre 684 automatic movement, lever escapement, 24 jewels, mono-metallic balance, Incabloc shock absorber [D] silvered satin finished dial, applied baton indexes with black inserts and luminescent dots above, matching baton hands with twin luminescent and black panels, centre seconds, aperture for date, black outer track for minutes/seconds [C] stainless steel tonneau shaped case with satin finished sides, polished flat bezel, screw-down case back centred with embossed Seamaster emblem, Omega crown,  Omega crystal [B] detachable stainless steel Omega model 5707 bracelet with polished central and satin finished outer links, adjustable folding clasp [S] case, dial, movement, crown, crystal and bracelet signed

Measurements

Width excluding crown: 25.5mm
Length including lugs: 32.5mm
Depth to centre of crystal: 10.5mm
Strap width/lug gauge: 13mm
Maximum bracelet length: 165mm