WatchTime’s May-June 2019 is on newsstands now (and also in our online shop), with highlights ranging from our cover story, an in-depth exploration of the new Grand Seiko 2019 collections; our comprehensive coverage of the newsmakers, trends, and showcase timepieces from SIHH 2019; hands-on reviews of the Patek Philippe Aquanaut Chronograph and IWC Pilot’s Watch Timezoner Chronograph; a profile of British watchmaking visionary Roger W. Smith; a deep technical dive into the evolution of silicon hairsprings; and more. Read on for details?

The premium Japanese brand Grand Seiko started the year off with an impressive show of force. Roger Ruegger and Logan R, Baker take a look at some of the highlight pieces launched before and during Baselworld, including the special limited editions celebrating 20 years of Seiko’s Spring Drive calibers. The 29th Salon International de la Haute Horlogerie (SIHH), held January 14-17, 2019, attracted more visitors than ever before, even with its reduced schedule to four days from five. The salon also revealed the year’s first trends in watchmaking, which our editors highlight in a 20-page section covering 28 watch brands.
In “Aqua Stop,” Martina Richter (with photographer Patrick Mökesch) offers a hands-on review of the new Patek Philippe Aquanaut Chronograph. The watch ? the first Aquanaut with a chrono movement ? features a sporty complication that fits perfectly into this increasingly youthful, dynamic ...