WATANABE KOWAN KAIUN

Japan ship manager & owner with 4 vessels totalling 4,850 DWT: Aggregates Carrier (2), General Cargo Ship (2). Fleet composition, flag and age profile on Rynda.io.

• Role: Ship manager & owner
• Country: Japan
• Fleet: 4 vessels
• Total deadweight: 4,850 t
• Median deadweight: 1,600 t
• Built: 1966–2016
• Flag states: Japan (4)
• Age profile: 10–15 years: 1, over 15 years: 3
• Fleet by type: Aggregates Carrier (2), General Cargo Ship (2)

Notable vessels

• SEIZAN MARU NO. 28 (IMO 9798284) — General Cargo Ship, 1,600 DWT, built 2016
• NIKKO MARU No. 31 (IMO 6621806) — Aggregates Carrier, 1,700 DWT, built 1966

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