Model: Seiko Quartz SQ Sports 100 Reference Number: 7123-823B Serial: 970052 Date: July 1979 Box & Papers: No box or papers.
Case Size: 38.4mm Lug to Lug: 43.4mm
Bracelet fits wrist: Up to circa 8 inches (6 links attached). No additional links supplied. Micro adjustment on clasp.
Functions: All functions operate correctly, new battery installed November 2020. Case Condition: Original, unpolished, small dings and marks commensurate with age. Ultrasonically cleaned November 2020. New caseback gasket and crown gasket fitted November 2020. Crystal Condition: New crystal installed November 2020 Dial/hands: Original, mint. Outer bezel insert: New old stock bezel installed November 2020. New bezel gasket fitted also. Bezel rotates smoothly as it should. Bracelet/Strap: Genuine but non original Seiko SQ bracelet. Marks and scratches commensurate of age. Personally, I think this bracelet looks much better than the original!
The water resistance has not been tested so cannot be guaranteed.