It’s also 51.8mm lug-to-lug and 13.5mm-thick by my calipers. So in Baselworld 2018 – after 130 years of the brand – it is just logical to revive a model from this era. The Certina DS PH200M is advertised to be 42.8mm in diameter. Launched at Baselworld last year, the Certina DS Ph200M is a re-issue, or re-release of an old wat. The Certina models worn by the scientists achieved the very best scores. Today were going to dive deeper in the Certina DS PH200M. In 1969, The DS was part of the Tektite underwater experiment, in which four scientists lived in two underwater residential tanks for two months under NASA observation. They confirmed that the Certina DS is absolutely reliable under all conditions.
In 1965, the Certina DS took part in the US Navy’s Sealab II underwater project, which involved scientists and divers working in a diving station in different areas of marine research. It overcame all the challenges from strong temperature fluctuations to considerable height and pressure differences. Model Specifications C0364071605000: The case is made of stainless steel. In 1960, the Certina DS proved its robustness during an international expedition on the first successful ascent of the 8,167-metre-high Dhaulagiri in western Nepal. The DS concept also increases the shock resistance of all Certina watches. From then on, the Certina DS started conquering extreme conditions, both in the skies and the seas. The Certina DS were the first watches to increase shock protection and water resistance to 6 m (previous watches were set at 2.2 meters). Thus Certina created the concept of suspending the watch movement inside a highly reinforced case, which they named DS for “Double Security”. In 1959, Certina set themselves the objective of creating a new marketplace niche based on quality through engineering and technical design. Derived from the Latin “certus,” which the English “certain” descends from, Certina boasts a rich heritage. Despite being in the industry for 130 years, Certina remains a brand only well known to watch connoisseurs.
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