IWC Schaffhausen GST Chrono-Rattrapante Ref. IW3715

The GST Chrono-Rattrapante is a superb mechanical chronograph with IWC’s patented  split-seconds hand, a total of seven hands, day and date display, three chronograph buttons, a big screw-in crown and a first class, fully integrated metal bracelet. The practical pushbutton clasp, which has no screws that could come loose and is securely held together by slotted bolts and springs, can nevertheless be shortened or lengthened easily by the owner.

This gives the user total control over all the features necessary in a mechanical instrument designed to record time accurately.  Which includes a second time within a period of one minutes and aggregate times up to 12 hours.

IWC Schaffhausen GST Chrono-Rattrapante Ref. IW3715

Only the third button at the 10 o’clock position, which is used to activate the split-seconds (rattrapante) hand to record a second time within a period of one minute, is an indication to the connoisseur that the bold striking face of this sporty timepiece conceals one of the most attractive watchmaking complications of them all.

Introduced in 2001, IWC GST Chrono-Rattrapante Ref. IW3715 is available in two different materials: Stainless steel and Titanium.

IWC Schaffhausen GST Chrono-Rattrapante Ref. IW3715

One version is in robust and lightweight titanium case complemented by the patented and integrated bracelet exclusive to the GST line. The titanium model has a black, instrument-like diagram with high-contrast white hands and indices, naturally luminous.

The GST Chrono-Rattrapante steel models featured here have a discreet rhodium plated dial and rhodium-plated hands and indices or a dial in classic salmon, likewise with rhodium plated hands and indices. They have integrated stainless steel GST bracelet from IWC.

IWC Schaffhausen GST Chrono-Rattrapante Ref. IW3715

All models have a non-reflecting, convex sapphire glass for clear vision under any circumstances together with an ornate engraving. They are water-resistant to 120 m.

Technical details

Model: IWC GST Chrono-Rattrapante Ref. IW3715


Hours, minutes, small seconds, chronograph functions, split-seconds with push-button at 10 o’clock, date and day of the week

Steel or titanium, with screw-down crown
Case diameter: 43mm
Antiglare sapphire crystal
Water-resistant to 120 m

Rhodium-plated or salmon (steel model), black (titanium model)

Steel or titanium

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