Bathyscaphe Reference 5200-0130-B52A, a ceramic automatic wristwatch with date and chronograph

This Blancpain Fifty Fathoms Bathyscaphe is an automatic self-winding watch, a caliber F385 and rhodium plated. There is a shock absorber mechanism built in, a straight line lever escapement and a non-magnetic silicon balance spring. It has a column wheel chronograph with a vertical clutch, 18k oscillating wheel showing the Blancpain logo, and the rotor oscillates at a frequency of 36,000 vibrations per hour.