only5402
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and the production of rejects was so expensive, that IWC changed the crystal including the case construction! - so there had been the 3713 after the 3711
A good article on the good old IWC 3713 Doppelchronograph
An excerpt: "Watchmaking and watch brands have changed a lot since the 90s, and IWC is no exception. The Schaffhausen-based brand is now a marketing powerhouse with ambassadors like Lewis Hamilton and Tom Brady. But it once was a value-oriented brand for ...