The global watch industry is about to get an Apple in its eye.The long-awaited, and much-dissected, Apple Watch is due to appear in April. While initially dismissed as a novelty by traditional watch brands, the product now has many of them — such as Swatch Group and Tag Heuer — rushing to introduce their own smart-watches. The change of heart comes down to one simple reason: numbers. Projections are that Apple could sell up to 20 million Apple Watches this year alone, with about five to six million of those ordered even before the product goes on sale.
