Bell & Ross BR-CAL.321

The BR-CAL.321 is an automatic movement manufactured by Bell & Ross, based on the Sellita SW300-1. It measures 25.6mm in diameter, contains 25 jewels, and provides a 38-hour power reserve. The caliber belongs to the BR-CAL family and is used in the BR 05 collection, powering the brand's integrated-bracelet sport watches. This is not an in-house movement, relying on the proven Sellita base. It remains in production.