Adapted from the Ultra Deep, which made history by reaching the deepest place on Earth in 2019 A tribute to the mysteries of the deep Water resistant to an incredible 600 bar (6000 metres) Presented in a robust 45. 5mm O-MEGASTEEL case with a matching bracelet Extraordinary lacquered dial with a secret message visible under UV light REACHING NEW DEPTHS The Ultra Deep made history when it reached the deepest place on Earth during the Five Deeps Exhibition in 2019. Adapted from that record breaking model, this unique collection has been tested in real ocean conditions, is water resistant to an impressive 600 bar, and comes with an extra diver extension for the strap. Meeting the ISO 6425: 2018 standard for saturation divers' watches, this remarkable timepiece can perform at new depths. UNRIVALLED PRECISION This 45. 5mm watch is presented in an O-MEGASTEEL case, with a matching bracelet. O-MEGASTEEL is a new, high performance stainless steel alloy offering greater polish and shine, as wel