I live in the US. I’m traveling to Europe next month and one of my visits is to the Longines factory. I’m bringing my Longines chronograph with me and I’m considering leaving it with them for service to the movement. I’m not purchasing a watch there,…

This watch appears to be rose gold. The reference number is 827002. Can anyone tell me if this is 14k or 18k. What year it may have been produced? Maybe a value? Thanks.

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