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The SB10 Jumping Hour replaces the traditional dial with a aventurine cabochon. Hours jump cleanly through a generous aperture at six o'clock, while a Super-LumiNova BGW9 ring on a sapphire minute disc orbits the cabochon once per hour, delivering a striking turquoise halo after dark. Built on La Joux-Perret's G100 calibre with a 55-hour power reserve and housed in a 39.5 mm steel case, this is Sartory-Billard's tenth-anniversary statement distilled into something you can actually wear every day.
The SB10 Jumping Hour replaces the traditional dial with a aventurine cabochon. Hours jump cleanly through a generous aperture at six o'clock, while a Super-LumiNova BGW9 ring on a sapphire minute disc orbits the cabochon once per hour, delivering a striking turquoise halo after dark. Built on La Joux-Perret's G100 calibre with a 55-hour power reserve and housed in a 39.5 mm steel case, this is Sartory-Billard's tenth-anniversary statement distilled into something you can actually wear every day.