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SEIKO MARU — Tanker · IMO 9413781

JPMoored
World map showing the last known position of SEIKO MARU at 33° 9.019' N, 129° 43.289' E
NSEW
Current PositionLive

SEIKO MARU is currently moored in the East China Sea, at 33.1503° N, 129.7215° E. It is sailing from SAKAI to SASEBO with an ETA of 4 Sep 2026, 05:39 UTC. AIS position received 8 Sep 2026, 19:17 UTC.

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Updated 5 minutes ago using terrestrial data
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Moored
Current Navigational Status
0.0 kn
Speed
179.0°
/ 172°
Course / Heading
3.2 m
Static Draught
3.2 m
Current Draught

Voyage Tracker

Japan flag
SAKAIJPSAK
ATD
02:17 UTCSep 2, 2026
Japan flag
SASEBOJPSSB
ETA
05:39 UTCSep 4, 2026
SEIKO MARU

SEIKO MARU

Identity

Tanker
Type
Japan flagJP
Flag
9413781
IMO Number
431402067
MMSI
JD2337
Call Sign

Specifications

72 m × 12 m
Length × Breadth
2006-01-01
Year Built
1,957 t
Deadweight
749 t
Gross Tonnage
N/A
Engine Power
IMURA SHIPBUILDING - KOMATSUSHIMA, JAPAN
Builder
N/A
Class Society
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Dive into the fleet, port, and flag state that SEIKO MARU is part of.

Flag State
All JP-flagged vessels
Browse every ship currently registered under the JP flag, with live AIS positions.
Vessel Type
Browse all Tankers
See the global fleet of tankers tracked on MarineRadar with live AIS data.
Departure Port
Port of SAKAI
Port traffic, arrivals and live vessel positions for SAKAI (JPSAK).
Destination Port
Port of SASEBO
Arrivals, berth specifications, and live vessel traffic for SASEBO (JPSSB).

About SEIKO MARU

Identity · Ownership · Class · Route

SEIKO MARU — Tanker

Built in 2006, with a gross tonnage of 749 GT, and a dead weight of 1,957 tonnes, SEIKO MARU is a tanker registered under the Japan flag. The vessel is owned by SHIMOBAYASHI KISEN - BIZEN, JAPAN, built by IMURA SHIPBUILDING - KOMATSUSHIMA, JAPAN.

SEIKO MARU route and voyage history

SEIKO MARU is currently on a voyage from SAKAI to SASEBO with an estimated arrival on 2026-09-04T05:39:00Z. The live route and current course of SEIKO MARU are shown on the bridge map above, updated whenever the vessel is in range of a coastal AIS receiver or a satellite pass.

Vessel class and identifiers

Vessels in the same class as SEIKO MARU can be seen in the Similar Vessels section above or in the full tanker fleet at /vessel-type/tanker.

  • MMSI: 431402067
  • IMO: 9413781
  • Call sign: JD2337
  • Vessel type: Tanker
  • Flag state: Japan

Frequently Asked Questions

Where is SEIKO MARU right now?+
SEIKO MARU is currently moored in the East China Sea, within the Japan / Korea shipping lane. It is sailing from SAKAI to SASEBO with an ETA of 4 Sep 2026, 05:39 UTC. Its exact coordinates, speed and ETA are shown at the top of this page and refresh from the latest AIS broadcast.
What are the identifiers for SEIKO MARU?+
SEIKO MARU broadcasts MMSI 431402067 and is registered as IMO 9413781, with call sign JD2337. The MMSI is the radio identifier used by AIS; the IMO number stays with the ship for life and does not change with re-flagging or sale.
What type of ship is SEIKO MARU?+
SEIKO MARU is classified as a tanker vessel registered under the JP flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full tanker fleet at /vessel-type/tanker and full JP flag list at /flag/jp.
How can I see the live position of SEIKO MARU?+
MarineRadar shows the latest AIS broadcast from SEIKO MARU above, with current position, course, speed, and navigation status. Tap "View on map" to centre the live tracker on the vessel and watch its movement update in real time. The same data is available offline-friendly in the iOS and Android apps.
How often is SEIKO MARU's position updated?+
AIS transponders broadcast position every 2 seconds when underway at high speed and up to every 3 minutes at anchor. The position you see refreshes whenever the ship is in range of a coastal AIS receiver or a satellite pass — typically seconds in coastal waters and minutes offshore.
What class is SEIKO MARU?+
As a tanker, SEIKO MARU sits in the same design class as the other tankers listed in the Similar Vessels section of the vessel page, or in the full tanker directory at /vessel-type/tanker. SEIKO MARU has a gross tonnage of 749 GT.

SEIKO MARU — Key Facts

MMSI
431402067
IMO number
9413781
Call sign
JD2337
Vessel type
Tanker
Flag state
JP
Navigation status
Moored
Current speed
0.0 knots
Course over ground
179.0°
Heading
172°
Last known position
33.1503°, 129.7215°
Destination
SASEBO
ETA
2026-09-04T05:39:00Z
Departure port
SAKAI
Actual time of departure
2026-09-02T02:17:00Z
Current draught
3.2 m
Maximum static draught
3.2 m
Year built
2006-01-01
Gross tonnage
749
Dead weight
1957 t
AIS last updated
2026-09-08T19:17:00Z