IWC Schaffhausen launches the 3rd generation of the Portugieser Yacht Club Chronograph (Ref. 3907). Featuring a 44 mm case this nautical sports chronograph combines timeless elegance with high robustness and a water-resistance of 6 bar. All three models offer highly ergonomic metal bracelets in either stainless steel or steel and 18-carat 5N gold.
Ticking away inside these watches is the IWC manufactured 89361 calibre. It displays the stopped hours and minutes in a single totaliser at 12 o’clock. Thanks to its flyback function, the stopwatch hands can be returned to zero simply by pressing the reset button, and a new timing sequence starts immediately. The automatic winding builds up a power reserve of 68 hours. The movement can be viewed through the transparent case back.
Technical details
Model: IWC Portugieser Yacht Club Chronograph, Ref. IW 3907
Functions
Stopwatch function with hours, minutes and seconds
Hour and minute counters combined in a totaliser at 12 o’clock
Flyback function
Date display
Small hacking seconds
Movement
IWC manufacture calibre 89361
Mechanical movement
Frequency: 28,800 vph/4 Hz
Jewels: 38
Power reserve: 68 h
Winding: Automatic
Case, dial and strap
– Ref. IW390701: Stainless steel case, blue dial, rhodium-plated hands and appliques, stainless steel bracelet
– Ref. IW390702: Stainless steel case, silver-plated dial, blue hands and appliques, stainless steel bracelet
– Ref. IW390703: Stainless steel case, silver-plated dial, gold-plated hands and 18-carat 5N gold appliques, 18-carat 5N gold and stainless steel bracelet
Glass: Sapphire, convex, anti-reflective coating on both sides
Water-resistant: 6 bar
Diameter: 44.6 mm
Height: 14.4 mm
Screw-in crown
See-through sapphire glass back
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