Cartier Ballon Bleu de Cartier XL TPD & Winder Settings | Aevitas

Getting the turns-per-day figure right matters with the Cartier Ballon Bleu de Cartier XL. This one runs best at 725 TPD, clockwise rotation only — the full settings are below.

Recommended Winder Settings

Setting	Value
Turns per day (TPD)	725
Winding direction	clockwise
Movement

Recommended Winder

Single Watch Winder Brown Leather White Stitching Mains or Battery by Aevitas

£239.00

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Why These Settings Matter

Every automatic movement is designed to receive a certain amount of winding each day. Give the Ballon Bleu de Cartier XL its 725 turns and the mainspring stays in the middle of its power band, where timekeeping is most consistent. Drop well below that figure and the watch gradually runs down; the date and time then need resetting by hand.

There is no need to worry about going over the top: like all modern automatics, this movement has a slipping mainspring bridle that lets the barrel slip once it is fully wound, so extra turns cannot overwind or damage it. A higher setting simply means the winder cycles a little more often than strictly necessary.

Aevitas winders cover 650 to 1,850 TPD with clockwise, counter-clockwise and bidirectional modes, so the 725 TPD programme above is easy to set and easy to adjust.

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