It has a sapphire crystal case measuring 44 x 53.7 mm this new Franck Muller model, also equipped with a skeleton hand-wound mechanical movement, calibre FM 1740-VS (dimensions 37.05 x 40.20 mm, thickness 6 mm, 175 components, 21 jewels, 18,000 vibrations per hour, 7-day power reserve, double barrel). Sapphire is a very difficult material to shape and requires very specific skills. The anodised aluminium bridges have been coloured, and thanks to the use of sapphire for the case, the movement can be observed from all angles. The luminescent baton hands are also coloured, and at 6 o'clock is the continuous seconds counter. The alligator leather strap is combined with a steel pin buckle.
Price: 138,000 Swiss francs.
