On her 18th birthday, French musician Lou Doillon was gifted a Cartier Baignoire watch from her mother, the inimitable Jane Birkin. Doillon shares that her family has always been fond of Cartier, "to celebrate love and special occasions!" Her sister Charlotte Gainsbourg also owns a Baignoire, however hers was a gift from her longtime partner Yvan Attal. Given this history, it feels fitting then, that Doillon should be hand-selected as the face of Cartier's latest Mini Baignoire campaign.

Like the newly rendered watch, Doillon is multifaceted; a singer, former model and one of those salt of the earth creative types. To front the campaign is the highest of compliments.

So what's changed about the Baignoire? Cartier has unveiled two new updated versions of the Baignoire, both timeless and forward-facing. The first takes the oval face with its Roman numerals and domed crystal and miniaturises it, before attaching an elegant black patent leather strap. The second iteration deals away with a leather strap altogether, opting instead for a solid gold bangle built to follow the contours of the wrist, that can be found in rose, yellow or white gold

Both options are designed to be worn in conjunction with any of Cartier's other creations, however they are strong enough to stand on their own too. As Doillon says, "Cartier, the elegance and chic of the sapphire, the sobriety of the dial, the timelessness of the form".

"As Cartier was a jeweller before being a watchmaker, a Cartier watch blurs the boundaries between these two founding crafts and makes it possible to capture the best of both," says Marie-Laure Cérède, creative director of jewellery and watchmaking at Cartier. "This combination has resulted in the sleek and sophisticated design of the mini Baignoire. The combination of a beaded bracelet with a pure line and a miniature dial without any attributes gives this aesthetic reference to our heritage a sublime touch. The mini Baignoire becomes a piece of jewellery. ”