Omega Speedmaster 175.0043/375.0043

Omega Speedmaster Chronograph automatic stainless steel gentleman's wristwatch, reference no. 175 0043/375 0043, serial no. 53837xxx, circa 1991, black dial with silvered subsidiary dials, tachymetre bezel, Omega crown, cal. 1155 17 jewel movement, signed case with Speedmaster emblem, Omega Speedmaster bracelet, 39mm (the chronograph function requires attention) , Box and Papers - no. Movement - currently functioning, the chronograph is functioning but not resetting and requires attention. Dial - light surface marks, light marks to the subsidiary dials. Glass - staining marks to the glass, light surface marks. Hands - holes to the minute hand infill. Case - rubbing to the tachymetre numerals, light surface marks. Crown - adjusting correctly, push buttons start/stop but the chronograph not resetting and requires attention. Bracelet - light surface marks, rubbing to the 'Speedmaster' lettering on the clasp, wrist size 7.5'' approx.