Robert-Jan
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It’s a never-ending question, which Speedmaster Professional should I buy? The one with sapphire or a model with Hesalite crystal? And then there’s not just a single right answer. Both have their own advantages. But here’s why every Speedmaster fan should at least have one model in their collection with a Hesalite crystal. Technology advances. […]
Visit Why Every Speedmaster Fan Needs A Model With Hesalite Crystal to read the full article.