Victorinox swiss army watch mechanical chronograph special edition this sleek stylish and bold creation from masters of swiss precision houses the automatic calibre eta valjoux 7750 inside a black ice pvd coated stainless steel case with partially transparent screwed caseback finished on an ultra sporty and highly practical ballistic nylon band with deployment clasp the alpnach mechanical is sharply engineered and directly inspired by the twin rotor cougar as 532 borrowing key elements fr