39-01

Automatic mechanical movement measuring 26.0 mm in diameter and 4.3 mm in height, operating at 28,800 A/h with a 40-hour power reserve (± 5%). Equipped with a flat balance spring, Incabloc shock protection, and stop-seconds function. Finishes include Glashütte ribbing on the frame and rotor, beveled edges, hand-polished steel, solar-finished crown wheels, a skeletonized rotor, and a swan-neck regulator.