Balancier Convexe S Green, Titanium 1675/3 and synchronized through a spherical

and synchronized through a spherical differential that averages any of the few aberrations which would arise from the four high-beating oscillators fed through dual mainspring barrels

beautifully preserved

1 of just 8 examples made

The finishing work

Balancier Convexe S Green, Titanium 1675/3 and synchronized through a sphericalA Balancier Convexe S Green, 1 of just 8 examples made. This Balancier S was first to debut Grebuel Forsey's oversized, in house balance at an incline in a 110 gram titanium sports watch. It features a curved, lugless design which necessitates a curved gear train and handset. This shape an inclination defines the Convexe case, where form follows function. This example, with a green motif andnotablywithout bezel engraving, is one of the purest