AUTO-REGLANTE/SFC rare pocket watch in silver with patented precision adjustment by winding crown, Germany/Switzerland around 1904 according to original patent writing with plan, completion later, swiss patent-no. 31774 from Adolf Feilcke/Charlottenburg, open case, enamel dial hairlines with Arabic numerals, gilded hands, gold-plated bar movement, compensation-balance, blued hairspring, unusual precision adjustment, diameter approx. 49 mm, condition 2-3