How to Wind and Set a Rattrapante Watch - Featuring IWC Spitfire | SwissWatchExpo [Watch How To]

Today, we're going to teach you how to wind and set one of the most complicated chronograph movements: the Rattrapante. Our watch expert Creed chose this IWC Spitfire Rattrapante Limited Edition Watch for the demo, because of its beautiful dial. The special model pays homage to the German National Football team, and comes in a panda dial that evokes the colors of the German flag (red, black and gold).

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https://www.swisswatchexpo.com/watches/Iwc/Spitfire-Rattrapante-Panda-Dial-Limited-IW371803-26388

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Transcript:

Today we're going to talk about one of the most important chronographs, the most complicated chronographs. This one happens to be by IWC. It's their Pilot - It's called a Flieger. Now this watch happens to have several different seconds hands on the dial. The reason I chose this one is because this one has one of the most beautifully marked I've ever seen. It has a red hand and a yellow hand. Each one of the buttons on this particular watch, the top button controls the yellow seconds hand and the left button controls the red seconds hand. Now what's interesting about this is is that not only does this act as a reset button for the yellow hand, this one also acts as a reset button for the red hand. So this is a rattrapante. This is a catchup timer. So what we see here is that you have an independent functioning seconds hand top and bottom on this particular, the way that I've stopped these hands, top and bottom, the red and the yellow.

So what I want to do is I want to show you and demonstrate how these function independently of each other. Now I've started the yellow hand. It's moving around the dial, but if you've noticed the red hand has not. Now what if I want the red hand to catch up to the yellow hand because I'm monitoring the split times situation. Well, I'm just going to go ahead and I'm going to press this, Now, did you see the red yellow hand jump? It's now caught up with the yellow hand. Now I can stop the yellow hand independently of red hand by simply pressing this button.

You see how that works? Catch up, the red hands caught up the yellow hand. They're both moving. They both stopped. They're both moving by pressing this pusher now and stop the red hand in its tracks and I can make the red hand catch up to the yellow. And again, you see how that works. Now what if you want to reset all hands? Well, we're going to catch up and we're going to reset. So you always catch up and then reset. That's the only way to reset both hands at the same time. Catch up, reset yellow hand, red hand start, stop, yellow, start, stop red. Also catch up red. That's how the chronograph works for this. Now the top collector is a 30 minute collector. This hand must go around this dial twice in order to make this hand catch up one hour, so it's going to log one hour after you've logged 30 minutes and then 60 minutes, one hour, will click by. This is how you make your rattrapante work, so let's set this watch. This is kind of a complicated watch to set as well. We're going to unscrew the crown because this is a water resistant watch up to a hundred and a hundred meters, 150 meters actually, so we're going to unscrew it. You see there's a gap. Now if you push on it a little bit, you'll notice there's a little bit of springiness to it. That's your winding position. Then you're going to pull out that crown two clicks.

It's a little bit stiff, but you see the gap between the two. You can see the hands move. Now I'm at the 10 o'clock position and I'm going to assume that I don't know whether it's 10:00 AM or PM. I don't want to change the day or the date until I know when that hour hand passes the 12 that these do or do not change. Because if they do not change, it's noon. Let's do that. We pass 12. Nothing changed. It's still Monday the 14th. We're gonna move that hand all the way around the dial. And I'm going to show you what happens when you move past the 12. Ah, there we go. Now it's Tuesday the 15th. We know that's midnight. So let's go ahead in the safety zone and let's set the day and the time safety zone being when the hour hand is below the three and the nine and the bottom half of the dial. We're going to go ahead. I'm going to push this crown in all the way and then pull it out one click, because this one's a little bit stiff and my fingernails are weak. So I have to pull a little bit, um, and a little bit different manner to get that to come out. So we're gonna turn the crown towards the 12 and you'll see that the date changes.

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