Audemars Piguet Royal Oak Chrono Tourbillon

Chronoswiss expands its Perpetual Calendar series, adding a new model in white gold with a black dial, called the Perpetual Black. The new model joins the existing stainless steel and rose gold versions, each with white dials. Chronoswiss says the new version’s black dial gives it added versatility, allowing it to move easily from the office to everyday wear to dressy affairs. The Chronoswiss Perpetual Calendar features a dial made from silver with a varnished top and blue steel hands in t........

A little holiday gift to the forum. One of the more common questions I see on the Internet and in person is “What makes a hacking watch different?” The explanation is when the crown is pulled out the second hand stops so the watch can be synchronized to another time source. Further talk usually leads to the description of the iconic movie scene of soldiers or pilots huddled with their leader and synchronizing their watches to his mark.Since one of my interests as a collector has been........