Eterna watch artena when it comes to needing a reliable watch for every day use the artena collection from eterna watches can promise ultra resilience made from marine grade steel the casing used for eterna watches can protect the timepiece against denting scratching dulling and eroding this 40mm gentlemans watch is purpose built to provide its owner with a faithful companion that delivers precision 24 7 how does it do this its clear and well balanced dial delivers high legibility for q