In-Depth – The Grand Seiko Spring Drive UFA Ushio 300 Diver, GS’ Smallest and Most Accurate Dive Watch

While dive watches are fundamental to Seiko’s Prospex collection, the concept is slightly less natural for Grand Seiko. At first sight… Indeed, the higher-end brand of Seiko Corporation has been active in the field of purpose-built diving instruments since 2008, delivering impressive models, whether in terms of specs, looks or, unfortunately, size. One of the main complaints heard […]