AUDEMARS PIGUET Royal Oak
For Men
Tourbillion Open-worked 15407ST.OO.1220ST.02
7AA Premium Quality
Features: Powered by original Japanese self-winding automatic machinery, Stainless-steel slate-grey case and chain, Anti-reflective scratch resistant sapphire glass on a salmon skeleton dial with luminous indices and hands, fastened by original AP lock.
41MM Case size.
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A chronograph is a watch that can measure elapsed time. It typically has three sub-dials that can be used to measure seconds, minutes, and hours.