Seiko · Prospex
Tuna
Ref. SBBN015 — “Marinemaster 300 Quartz”
discontinuedModern quartz TunaDocumentedLast reviewed Not yet reviewed
Component compatibility
What this reference is documented to have carried, and in what capacity. A service part is the manufacturer's own work; only a counterfeit classification is a finding against the watch.
Documented calibers
2010–2016