Patek Philippe Annual Calendar Flyback Chronograph WW25 Thewave-edged caseback houses a sapphire

Thewave-edged caseback houses a sapphire crystal for a clear view of this precise

These sporty yet classy timepieces feature a polished middle row on the bracelet for a shinier look

legibility and beauty

the openworked architecture reveals fine-brushed bridges and blue opaline counters accented in red and white

The chronograph function includes a large central seconds counter

Patek Philippe Annual Calendar Flyback Chronograph WW25 Thewave-edged caseback houses a sapphireThe annual calendar is one of those quietly brilliant complications the kind that reveals its genius the longer you live with it. Invented and patented by Patek Philippe in the 1990s, it elegantly bridges the gap between simple calendar watches and their more complex perpetual counterparts. Accounting for months of varying lengths, it requires correction just once a year, at the end of February a small marvel of mechanical logic disguised as everyday