Tuna

Ref. SBBN015 — “Marinemaster 300 Quartz”

discontinuedModern quartz TunaDocumentedLast reviewed Not yet reviewed

Lineage← 7549-7009SBBN015Compare with previous

Reference photography not yet on file

The long-running quartz Tuna, using the 7C46 — a high-torque professional quartz caliber designed for a multi-year battery life and for servicing rather than disposal.

At a glance

Brand: Seiko
Collection: Prospex
Reference: SBBN015
Production: 2010–2016
Caliber: 7C46
Case diameter: 47.7mm including shroud
Case material: Stainless steel with a stainless shroud

Related references

Same Collection

6105-8000 6105-8110 · Captain Willard 6105-8119 6159-7010 · Grandfather Tuna 6217-8000 · 62MAS 6217-8001 · 62MAS 6306-7000 6306-7001 6309-7040 6309-7049 7002-7000 7549-7009 · Golden Tuna S23631 SARB017 SBBN007 SBBN017 SBBN031 SBBN033

Reference family timeline

Every generation in this lineage in production order. Spans are as documented; an open end means the reference is current or its end year is not established.

6159-7010“Grandfather Tuna”
Tuna · 6159A
1975–1978
7549-7009“Golden Tuna”
Tuna · 7549
1978–1985
SBBN015“Marinemaster 300 Quartz”
Tuna · 7C46
2010–2016This reference