Vintage Certina DS Quartz Chronograph Two-Tone Original Swiss Made Certina DS Chronograph with sapphire crystal, 100 m water resistance, tachymeter bezel and original 316L stainless steel two-tone bracelet (Ref. 7111 / 701154144). Case diameter approx. 40 mm (37 mm without crown). Condition: Good used condition with normal signs of wear as shown in the photos. Crystal is in good condition. Original bracelet fits up to approx. 18 cm wrist. Functions: The watch runs and keeps time. Date changes correctly. The chronograph works intermittently (approximately 50/50). The pushers should be serviced, as they do not always engage or reset correctly. The watch is therefore sold as working but in need of service for the chronograph function. Sold exactly as pictured. No box or papers. Works needs maybe service Sold as description and Pictures.