The mechanical hand winding Caliber ND01s indicates the hours and minutes in the centre with a subdial at 6 o’clock. The total diameter is of 28mm with a total thickness not exceeding 4.4mm.
Calibre ND01s possesses a power reserve of 72 hours.

All steels parts of the movement are mirror polished and chamfered on their side. All bars and sinks are chamfered by hand. The plate is also of an outstanding level finish: chamfered by hand, small circular graining under the balance, visible sanded part on the movement side and circular graining of the recess on the dial side. All screw slots, without exception, are chamfered by hand and then mirror polished.