{"provider_url":"https://hatena.blog","description":"As a chronograph, it weighs only 40g. The watch is made of ultra-lightweight materials such as carbon fiber, silicon and titanium from the inside to the outside. Zenith experts started with the movement and selected titanium as the main components of the movement, namely the main board and the five \u2026","provider_name":"Hatena Blog","blog_url":"https://2017watches.hatenablog.com/","width":"100%","height":"190","image_url":null,"version":"1.0","published":"2020-07-15 17:13:23","blog_title":"Watches Guide 2017","categories":[],"type":"rich","url":"https://2017watches.hatenablog.com/entry/2020/07/15/171323","author_url":"https://blog.hatena.ne.jp/cassieye529/","author_name":"cassieye529","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2F2017watches.hatenablog.com%2Fentry%2F2020%2F07%2F15%2F171323\" title=\"Only 40g -  Zenith El Primero Striking 10th Watch - Watches Guide 2017\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"Only 40g -  Zenith El Primero Striking 10th Watch"}