NA 027

DIN Standards Committee Optics and Precision Mechanics

DIN 8306 [CURRENT] references following documents:

Document number Edition Title
DIN 8309 1981-02 Antimagnetic properties of watches; definition, requirements, testing More 
DIN 8319-1 1980-10 Chronometer; wrist-chronometer with frequency of oscillating system ≤ 1000 Hz, designation, requirements, testing More 
DIN 8319-2 1978-12 Chronometer; wrist chronometer with piezo-electric oscillating system, designation, requirements, testing More