Seiko Prospex Marinemaster Tuna 1000m SBBN047
The Seiko Prospex Marinemaster Tuna 1000m SBBN047 is a 49.4 mm Super Titanium dive watch with a Seiko 7C46 quartz movement. At 49.4 mm across, it is larger than 95% of the 359 titanium dive watches in the guide. The case is surface-hardened, which guards against the scuffs bare titanium picks up.
- Reference
- SBBN047 / S23631
- Type
- Diver
- Case diameter
- 49.4 mm
- Thickness
- 16.3 mm
- Origin
- Japan
- Movement
- Quartz
- Caliber
- Seiko 7C46
- Power reserve
- 5 years
- Complications
- Day-date
- Colour
- Grey
- Surface treatment
- Dia-Shield; ceramic shroud
- Finish technology
- Surface hardening
- Nickel-free
- Unconfirmed (contact-point materials not all confirmed)
- Bracelet / strap
- Silicone strap
- Crystal
- Sapphire
- Display back
- No
- Dial
- Black
- Dial colours
- Black
- Lume
- LumiBrite
- Availability
- Offered
- Status
- Current (JDM); maker titanium token pending re-verification
- Not published
- Lug-to-lug, Hardness, Construction, Caseback, Matching bracelet
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Frequently asked questions
What grade of titanium is the Seiko Prospex Marinemaster Tuna 1000m SBBN047?
Titanium, with no grade stated. The maker calls the material Super Titanium. The record is at medium confidence, so check the maker's page before relying on it.
What size is the Seiko Prospex Marinemaster Tuna 1000m SBBN047?
The case is 49.4 mm across and 16.3 mm thick. It is water resistant to 1,000 m.
How much does the Seiko Prospex Marinemaster Tuna 1000m SBBN047 weigh?
About 119 g for the watch head alone.
How much does the Seiko Prospex Marinemaster Tuna 1000m SBBN047 cost, and is it available?
It is in production, at a list price of $3,500.
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