A beautiful first edition (!) Certina DS (ref. 5101 013) from 1959 or 1960. With the legendary in-house manual movement Certina 25-36 - this mechanism was produced only in the first version of the DS; after a year - in 1960 - it was replaced by the cal. 25-66. The DS line (“Double Security”) became famous for its superior shock absorption and reinforced case construction — symbolized by the turtle emblem on the back, representing durability and water resistance. This timepiece features its original stainless steel case. The dial shows a natural aging patina, giving it a distinctive vintage charm without being overdone. Size: 36 x 45.5 x 11.5 LW: 18 Considering the serial number - 5801 112 - and cal. the watch was made between 1959 an 1960. Original plexiglass (may require replacement). Original crown with Certina logo. Stainless steel bracelet (not an original Certina piece). Photos are part of the description. Fast and insured shipping with DPD.