|Caliber Number||SW510 M BH b|
||Mechanical, manual-wind chronograph|
||28,800 bph, 4Hz|
||5 (depending on variation)|
|Functions||Central hours; central minutes; central chronograph seconds hand; small running seconds at 9:00; 30 minutes chronograph counter at 3:00|
|Country of Manufacture||Switzerland, Swiss made|
||Hanhart Pioneer 417 ES (Add your watch in the comments below…)|
The Sellita Caliber SW510 M BH b is a bi-compax, no-date, manual-wind mechanical watch movement. It is Swiss made with 23 jewels and a beat rate of 28,800vph.
For more information about the SW510 M BH b, please refer to the base caliber page for the SW510 M family of movements here.