Certina DS-2 Automatic, Ref. 5801 300N, Cal. 25-651, 1973Certina DS 2 Automatic Ref. 5801 300N, Cal. 25 651, 1973 This Certina DS 2 Automatic Ref. 5801 300N is a distinctive Swiss vintage watch from 1973, powered by the Certina Cal. 25 651 automatic movement. The DS 2 line is one of Certinas most recognizable vintage families, known for its strong case construction, practical design and connection to the brands famous Double Security concept. With its bold case profile, blue dial, orange seconds hand and