Case is 38mm with a thickness of 11.4mm, grade 5 titanium with a polished case and hollowed sandblasted-looking midsection, sapphire crystals front and back, titanium crown at 3 o’clock, and water resistant to 50m. Dial is built around Byrne’s signature rotating cuboid display, here reworked into a worldtimer with a central blue time zone disc, four Time Flow cubes showing selected cities and times of day, sunray-brushed sections between the cubes, and openworked yellow gold hour and minute hands. Movement is calibre 5558, manual winding, proprietary, 28,800vph, with 274 components and functions for hours, minutes, revolving indices, and world time. Power reserve is 66hrs. Priced at CHF 32,500 excl. taxes.