This specific design is inspired by Seikos 1970 Divers 300m watch the first and highest of world standard hi-beat calibre divers an important milestone in Seikos six decades of innovation in diving watches. It was worn for the first Japanese summit of Mount Everest.This Save the Ocean Special Edition, inspired by the ice of Antarctica, expresses the accumulation of time linking the Antarctic history of Seiko divers watches with the time it takes for a glacier to form into its beautiful structure. The dial pattern and colour express the natural formations and pressure the glacier underwent during its long cooling period. Glaciers formed during the ice age, approximately 150 to 3 million years ago.Prospex is a combination of the words Professional and Specifications. These timepieces are designed to be practical, reliable and durable within extreme or everyday environments, for experts, sports lovers and adventure seekers alike. Since launching Japans first divers watch in 1965, Seikos innovative watchmaking has changed global dive watch standards.Seiko donates a portion of proceeds from Save The Ocean models to the PADI Aware Foundations Marine Debris programme, the worlds largest underwater clean-up initiative.