made of a shell whose form resembles this fine chronometer. Legend
says Hermes found a tortoise and hollowed it to create a seven-
stringed instrument, thus inventing the first lyre of the Ancient Greeks.
movement’s melody is no exception. Like every Mercer
chronometer, the detent escapement sings with its
characteristic one loud and one soft beat sound.
with spirit the seas“, the Chelys flaunts an openwork dial
magnifying the intricacies of the movement , with its
stone settings pairing perfectly with the onyx body.
semiprecious stone with immaculate crystalline
background and evocative waves undulating through
its structure. Rare and precious, it has been
considered a luxury staple since ancient times.