Sellita SW515 M

SW515 M is a manual-winding chronograph movement manufactured by Sellita. It is the hand-wound variant of the SW515, belonging to the SW500 caliber family. As an in-house movement, it represents Sellita's own development within its chronograph offerings, positioning it as an alternative to comparable manual-wind chronograph calibers in the industry. The SW515 M remains in production and is used by various watch brands requiring a reliable manual-wind chronograph movement.