W4 7546 then W4 3692 at Madrid
Seville → Madrid → Iasi
Timetable, Madrid time
19:20W4 7546 from Seville at the gate
18:30W4 3692 to Iasi leaves the gate
23 h 10 apart on the timetable, overnight
W4 3692 leaves 23 h 10 after W4 7546 arrives on the timetable: more than half a day, so not a connection we count.