co 1 chronograph 39mm Whether you're signing important documents

Whether you're signing important documents or jotting down ideas

in-house developed mechanism built to withstand the demands of daily wear—this timepiece combines technical sophistication with understated elegance

Lunette en titane

the PRX brilliantly pairs twenty-first century features with a Tissot case shape from 1978

taking into account both aesthetics and practicality

co 1 chronograph 39mm Whether you're signing important documentsThe CO 1 Chronograph combines professional grade engineering with striking aesthetics. Built from lightweight titanium with a robust 45mm case, this timepiece delivers 1000M water resistanceideal for diving and extreme conditions. The precision quartz chronograph movement tracks split seconds with accuracy, while the rotating ceramic bezel and helium valve ensure reliability in demanding environments. A brilliant blue dial contrasts beautifully