Luxury Swiss watch brand IWC Schaffhausen expands their Portofno Collection by introducing two new variants of the Portofno Hand-Wound Eight Days in stainless steel.
First model features slate-coloured dial and grey suede strap. Second version comes with blue dial and steel Milanaise mesh bracelet. Both timepieces are equipped with the mechanical manual winding manufacture caliber 59210 that is rated for a power reserve up to 192 hours – or eight days.
For the Portofno Hand-Wound Eight Days (ref. IW510115), IWC uses suede as the strap material for the first time. With its soft, roughened surface, suede is not only visually attractive; the material is also exceptionally comfortable to wear. In addition, the colour of the grey suede harmonises perfectly with the slate-coloured dial.
With the Portofno Hand-Wound Eight Days (ref. IW510116), IWC is offering a new combination of materials and colours. In this variant of the hand-wound classic design, the deep blue dial provides a pleasant contrast to the elegant stainless steel Milanaise bracelet.
Once fully wound, the watch delivers precise time display for the next 192 hours. The watch requires next winding only after 8 days and if not re-wound within the specified time, the movement will stop automatically, although it is designed to run smoothly for nine days. This guarantees a constant driving torque for eight days. The integrated power reserve with separate dial display reminds the owner to wind up their watch at the right time.
In addition, the indexless balance has a frequency of 28,800 beats per hour and, together with the Breguet spring, which is wound following an age-old tradition of watchmaking, helps to make the watch exceptionally accurate.
The see-through sapphire glass back allows the user to view the movement, adorned with Côtes de Genève.
Technical details
Model: IWC Schaffhausen Portofno Hand-Wound Eight Days
References
Ref. IW510115: Stainless steel Case, Slate-Coloured Dial with Grey Suede Strap
Ref. IW510116: Stainless Steel Case, Blue Dial with Steel Milanaise Mesh Bracelet
Functions
Power reserve display
Date display
Small hacking seconds
Movement
Manufacture calibre 59210 Mechanical movement
Frequency 28,800 vph / 4 Hz
Jewels 30
Power reserve 8 days (192 h)
Winding Hand-wound
Breguet spring
Case
Stainless steel case
Diameter: 45 mm
Height: 13.2 mm
Crystal: Sapphire, domed, anti-reflective coating on both sides
Water-resistance: 3 bar
See-through sapphire glass back
Dial and strap
Ref. IW510115: Slate-grey dial, rhodium-plated hands and appliques, grey suede strap
Ref. IW510116: Blue dial, rhodium-plated hands and appliques, stainless steel Milanaise bracelet
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