Omega Speedmaster Professional Moonwatch 105.012-66

Omega Speedmaster Professional 'Pre-Moon' Chronograph stainless steel gentleman's wristwatch, ref. 105.012-66, serial no. 24535xxx, circa 1966, circular black 'T Swiss Made T' dial with baton markers, minute markers, subsidiary constant seconds, thirty minute and hour recording dials and centre chronograph seconds, white pointed baton hands, black tachymetre bezel, Omega crown, cal. 321 17 jewel movement, dust cover, Omega bracelet, reference 1171/1, 42mm, Box and Papers - no. Movement - currently functioning. Dial - good. Glass - light surface marks - with Omega logo to the centre. Hands - good. Case - light surface marks, scratch to the case back. Crown - adjusting correctly, push buttons start/stop and reset. Bracelet - light surface marks, wrist size 8.5'' approx.