IWC , the luxury Swiss watch manufacturer has just launched its first-ever portofino model with an innovative single push-button chronograph. This was presented at the Watches & Wonders 2015 event (which took place in Hong Kong). This new watch features a single button in the crown to start, stop and reset the chronograph, the Portofino Hand-Wound Monopusher is equipped with the calibre 59360. It’s a hand-wound movement with an eight day power reserve, and based on the movement found in the Portofino. It is available in two colorways – in 18k white gold with a dark, metallic brown dial and in 18k red gold with a silver plated dial.
The chronograph mechanism is built on top of the base movement, which conveniently has a large and plain barrel bridge that can accommodate complications. It’s a compact and thin chronograph assembly measuring just 1mm high, thanks to the wide and flat parts of the mechanism.
The chronograph has a central elapsed seconds hand, and a minute register at 12 o’clock. Constant seconds is at six o’clock, with the power reserve indicator at nine.
With a massive and powerful mainspring and mainspring barrel, the watch runs at a modern 4 Hertz frequency and offers 8 days’ worth of power reserve.
The Portofino Hand-Wound Monopusher costs $25,400 in red gold and$27,100 in white gold.