Pre Watches and Wonders 2015: Introducing the IWC Portofino Hand Wound Monopusher Chronograph

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With Watches and Wonders 2015 around the corner,  IWC has taken the covers off one new watch that will be shown in Hong Kong.  Introducing the IWC Portofino Hand Wound Monopusher Chronograph.

The IWC Portofino Hand Wound Monopusher is the first regular production model in the Portofino range to feature a single button chronograph.  Previously IWC released a piece unique Portofino Monopusher for the 2015 Tribeca Film Festival.  The Portofino Hand Wound Monopusher comes in either a white or red gold 45mm case.

Portofino HW Monopusher_IW515104

The IWC Portofino Hand Wound Monopusher in a 45mm red gold case

The chronograph push-button is integrated into the crown. By doing this, the case retains its smooth curves.   Repeatedly pressing the single, multifunctional push-button starts, stops and resets the chronograph. When the button is pushed for the third time, all the chronograph displays return to zero.

The manually wound 59360 calibre is an offshoot of the high-performing 59000 featuring a chronograph mechanism.  The movement has power reverse of 192 hours or 8 Days. This movement is new to IWC and only used once previously in a piece unique created as a tribute to the TriBeCa Film Festival released in May 2015.


The IWC 59360 calibre, featuring 8 days of power reserve.

The amount of energy remaining is displayed on the power reserve display on the dial between “8 o’clock” and “9 o’clock”. The subdial at “12 o’clock” displays the number of minutes recorded by the chronograph while the seconds can be read off on the central hand. Tthe small-seconds subdial is located at “6 o’clock” and the date display at “3 o’clock”. Its nice to see the date disc on the White Gold model, a very close colour shade to the dial.

The activation to start/stop/reset the chronograph is very smooth, and nicely tuned.

Portofino HW Monopusher_IW515103

The white gold IWC Portofino Hand Wound Monopusher with slate gray dial

The Portofino Hand-Wound Monopusher will be available either in white gold with a slate-coloured dial and grey Santoni alligator leather strap or in an 18-carat red gold version with an attractive silver-plated dial and brown Santoni alligator leather strap.

The WG model will retail for HK$216,000 ( approx $43,000 Singapore Dollars excluding GST.) and as typical for IWC, the rose gold model is slightly cheaper.

For more information please visit IWC


Live picture of the White Gold IWC Portofino Monopusher Chronograph on the wrist.

Technical Details


Mechanical single-pusher chronograph movement – Hand-wound – 8-day power reserve when fully wound – Indexless balance with 4 gold weight screws on the balance rim – Breguet spring – Stopwatch function with minutes and seconds – Small hacking seconds – Date display – Power reserve display


IWC-manufactured calibre 59360

Frequency 28,800 A/h | 4 Hz

Jewels 36

Power reserve 8 days (192 hours)

Winding Hand-wound


Materials Ref. IW515103: Case in 18-carat white gold, slate-coloured dial, Santoni strap made of grey alligator leather, pin buckle in 18-carat white gold

Ref. IW515104: Case in 18-carat red gold, silver-plated dial, Santoni strap made of brown alligator leather, pin buckle in 18-carat red gold

Glass Sapphire, arched edge, anti-reflective coating on both sides

Back See-through sapphire-glass back

Water-resistant 3 bar

Diameter 45 mm

Height 13 mm


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