Certina DS-2 manual wind watch

Certina DS-2 manual wind watch in good condition with a well-preserved white dial and date function. Crystal is in good condition, no major scratches or cracks. Case shows signs of age and use and there is an engraving on the caseback. Leather strap has been used. Service history is unknown, but the watch works well. Date changes and the watch is running approximately +- 30 seconds per day.