A unique item that combines motor engineering and personality.

Quattro Valvole began with a piston.

Blank plates case of special light alloys made with the same hardening processes used for top-performance engines.

Aluminium worked on a lathe to create four recesses and give the object unparalleled strength and resistance.

Surface treated with Silicon Oxide. A technology studied by scientific laboratories to protect aluminium watches;

a film coating that does not alter the aesthetic appearance but defends the watch against chemical attack from perspiration and corrosion.

Two blocks of aluminium guarantee waterproofing up to 5 atmospheres thanks to a special cloverleaf gasket and four polished titanium

Allen screws tightened with a torque wrench.

4 valves for 4 high-precision dials with swiss mechanical and automatic movements.

Sapphire glass with anti-reflection treatment. Crowns in hand-polished titanium.

Leather strap attached to the case with 4 titanium screws.

Titanium buckle extracted from one piece.

The case has a Vickers hardness of 350.

For 103 series, the black colouring is provided by a ceramic hard-facing with Vickers hardness of over 500 (according to MIL 8625type 3 specifications)

Diameter 48 mm.

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