IWC Da Vinci Chronograph Edition Sport for Good Foundation Functions and Care

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Greetings. I’m Tim of Govberg, and welcome to the world of IWC.

Today, I’ll be your guide to the usage, care, and maintenance of your IWC Da Vinci Chronograph Edition Sport for Good Foundation, reference 3934-02.

Now, it is important to note this is an automatic-winding timepiece, which means it will energize itself by means of the case back winding mass underneath the engraved case back. However, should you wish to manually wind the timepiece, simply take the crown in its first position flush to the case, and turn 20-30 turns in the clockwise direction.

Now, even if the chronograph isn’t running, the constant seconds dial at six o’clock will begin to circulate its calibrations. As it circulates, you know the watch is running. As you can see, constant seconds remains in action even when the chronograph is off.

Now, at this point you can set the time, you can set the calendar, and you can wear the watch. It will continue to energize itself. But should you wish to manually wind it up to its maximum rated power reserve of approximately 68 hours, simply continue turning the crown in a clockwise direction. Listen for a subtle click or tick from within the watch. That’s the bridal-style mainspring slipping by design. It does this to relieve excess strain. You cannot accidentally overwind the watch. Just listen for that click to know when your watch is fully energized.

In the intermediate position, the crown can be used to cycle the quick-set date. You pull it out one indent from flush to the case, and then you turn it in a clockwise direction. You can cycle the date should the watch run down or encounter an irregular length month.

It’s important to note that that date should never be used in conjunction with the quick set between the hours of eight p.m. and three a.m. You can manually turn the hands through the date change, but never use the quick set during that eight-to-three danger zone as it can crash the movement and cause significant damage to the watch.

The chronograph is a flyback-type chronograph, meaning you can start it, stop it, and reset it conventionally. You can start it, stop it, and resume, or in motion, you can reset and restart it without stopping it using the flyback functionality. This is excellent if you need to time two events in rapid succession. There is no need to stop, reset, and restart. That’s what a flyback chronograph is.

There are three principal areas of hazard to keep in mind when handling your watch: Water, magnetism, and shock. Now it’s important to note that though this watch is water resistant to three atm or 30 meters static test depth, leather, as featured on the strap, is never water resistant. It is a natural porous material, and it will degrade rapidly in the presence of moisture. Always ensure that leather is dried immediately should it get wet or kept remote from moisture altogether.

Now the time piece and its 30 meter static test rating are protected against splashing while washing hands, or should you happen to be caught out in a rainstorm, the watch is secure against that type of water intrusion. But you can help avoid accidental drowning. Never use the chronograph pushers nor the crown even for winding while there is water on the case, as this can bypass the case seals and introduce water to the interior of the timepiece.

Moreover, unlike mechanical specifications, water resistance is not a static quality of your watch. Seals age, lubricants degrade. So IWC recommends, once a year, having the watch water-tested at an authorized service center to ensure factory-rated hermeticity is retained.

Now magnetism is less damaging but ubiquitous and unseen. Keep your watch remote from MRI equipment, high-powered electrical systems, speakers, subwoofers, as well as the closures of purses, wallets, and refrigerators, as all of these can affect the ferrous-metallic hairspring within your watch, effectively altering the heartbeat of your timepiece. Now the watch will run erratically, fast or slow, but if you suspect that the watch has become magnetized due to erratic running, take it to an IWC authorized service center where specialized equipment is available to quickly and easily demagnetize your watch.

Shock and concussion, however, can cause more permanent damage. So IWC recommends the watch not be worn during aggressive skiing or riding mountain bikes or ATVs, during firearms, marksmanship, batting, tennis, or golf. Ultimately, every fine mechanical watch requires a comprehensive service. It’s best to have the watch checked yearly during the water test.

Finally, visit our website at govbergwatches.com and call, text, or email our experts, who will be happy to walk you through every phase of the ownership, use, and care of this or any IWC fine timepiece.