Sellita SW360-1

Round caliber, mechanical lever movement with self-winding mechanism. Displays hours, minutes, seconds, and date at window (at 3 o'clock). Winding stem has 3 positions: manual winding, quick correction of date and hour hand, and time setting with stop-second. Main plate and bridges made of brass. Oscillating weight with segment of heavy metal and ball bearing. Barrel spring: Nivaflex NM.