Zenith unveils the “Ultra Colour” Box Set of 8 vibrantly colourful Defy 21 models Through the Zenith Defy 21 Ultra, the first model to host the groundbreaking El Primero 1/100th of a second chronograph movement, ZENITH sought to express notion of high-frequency precision through frequencies of light and colours. Introduced in 2020, the DEFY 21 Ultraviolet … Read more