On Her Watch: 5 most popular timepiece complications for women, from tourbillons such as Chanel’s J12 Diamond Tourbillon Calibre 5, to the practical chronograph and romantic moonphase

• In the second part of our limited monthly series, we break down five popular timepiece complications for women, how they work, and why you might choose them for your own watch
• Timepieces with moonphase indicators track the waxing and waning of the moon, but a more practical option for the jet-setter might be world time watches with multiple time zones