Spotlight on Key Features of Seiko Tuna

The Seiko Tuna is a professional-quality divers watch. Although referred to in the singular, Seiko Tuna is a family of divers watches with a plethora of features and benefits. Heres a rundown of standout features to consider when making your purchase on eBay.

Different movement types for the Seiko Tuna

Like all high-end watches, the Tuna and all its various movement types go through rigorous testing for accuracy within -4 to +6 seconds daily. Thats an accuracy score of about 99.99%. As a result, movement types are a personal choice since some require batteries and others do not. The Seiko Tuna is available with several common movement types:

  • Classic hand-winding mechanical
  • Automatic mechanical
  • Solar
  • Spring drive
  • Quartz (automatic, battery, kinetic, solar)
Deepest water resistance of new Seiko Tuna you can get

The Seiko Tuna family includes watches that are water resistant to 1,000+ meters/3,280+ feet. Tuna watches conforming to ISO 6425 are specifically for recreational or professional-level scuba diving. Watches with water resistance at the shallow end of the spectrum are suitable for everyday use as well as wear in the shower, during workouts, and in wet weather. Seiko Tuna water resistance degrees include:

  • 50 to 100 meters
  • 200 to 300 meters
  • 1,000 meters
  • 200 to 300 meters ISO 6425
  • 300 meters ISO 6425 for mixed gas
What types of case material is there?

On eBay, youll find that many of the case materials used in the Seiko Tuna line are highly durable and resistant to corrosion. They can withstand frequent exposure to extreme elements and endure usage during extreme sports and diving. Choosing between them comes down to your personal taste, lifestyle, and wardrobe. Stainless steel and ceramic cases tend to be more professional looking and sophisticated, whereas rubber and plastic cases are typically sportier and casual.

What other features do these watches have?

The features available differs depending on which Tuna model you are looking for Some potential features include:

  • Marine Master: Self- and hand-winding, it has a battery reserve of 50 hours.
  • Monster: This model has a rugged exterior built for tough outdoor recreation.
  • Prospex This entry is a divers watch built to professional specifications for the career diver.
  • Sport 5: The Sport 5 boasts the day and date in a single window, as well as a recessed crown.

The Seiko Tuna also provides a healthy variety of color options for cases, faces, and bands. You can find black, white, red, purple, silver, gold, green, brown, blue, gray, and many more.

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