The powerful features that pack this iconic chronograph are powered by the Sellita SW510 BH B movement which allows the timepiece to be either automatically (SW510 BH b) or manually wound (SW510 M BH b).
The powerful features that pack this iconic chronograph are powered by the Sellita SW510 BH B movement which allows the timepiece to be either automatically (SW510 BH b) or manually wound (SW510 M BH b).