For sale is a Seiko Prospex “Tuna” SNE518P1 Special Edition, a tough and reliable solar-powered dive watch from Seiko’s professional-grade Prospex line. This model features the distinctive Tuna shroud case, deep blue dial, and solar quartz movement, making it a robust, no-maintenance daily diver or collector piece.

This example is a full set, includes the original Seiko box, papers, and documentation, dated 2018. It’s in excellent overall condition, with only light signs of use, mostly on the strap hardware and rubber.

The watch case itself is very clean, and the crystal has only faint marks, visible in direct light. All functions including timekeeping, solar charging, and setting, have been tested and work exactly as they should.

Highlights:

• Seiko Prospex “Tuna” SNE518P1

• Special Edition – full set, dated 2018

• Solar-powered quartz movement – no battery changes

• Blue dial with great lume

• Water-resistant diver-style watch (WR rating not tested)

• Comes on original Seiko rubber strap with stainless steel buckle

• Box and papers included

Condition:

• Excellent overall condition

• Very minor wear on case and crystal (see close-ups)

• Strap shows minor use, with some wear and marks on the buckle loop

• Crystal has light surface marks visible in strong light

• Watch tested and keeping excellent time

• Full set: box, papers, hang tags, documentation

• Original strap and buckle included

Important Notes:

This is a pre-owned special edition Seiko watch, in excellent used condition. It has been inspected and tested, but please keep in mind:

• Water resistance has not been tested and is not guaranteed

• There is no warranty included, though all features have been verified

• The strap shows wear, and the buckle loop has visible surface scratches (see photos)

Shipping Info:
Ships worldwide via DHL Express – $65 USD flat rate, fully insured and trackable. Ships within 1–2 business days after payment clears.

International buyers: Customs duties, VAT, or import fees are the buyer’s responsibility and are not included in the sale price.

Other Info:

• Reasonable offers are welcome

• All photos show the actual item for sale

• You will receive the watch, original strap, box, and papers as shown

A tough, collectible dive-ready Seiko with a solar heart and the iconic “Tuna” design — this SNE518P1 Special Edition is ready to wear or add to any Seiko enthusiast’s lineup. Hard to find in full set condition, especially this clean.