The current position of SEIRYU MARU is in 35-01.221 N, 136-49.821 E reported at 2026-08-27 00:42:22. SEIRYU MARU (MMSI: 432501000) is a Engaged in dredging or underwater operations and is currently sailing under the flag of JPN, with a length overall (LOA) of 104 meters and a width of 17 meters.