Seiko
*PRE-ORDER* Seiko Prospex King Samurai Save The Ocean 43.8 MM SS Blue Dial Automatic Watch SRPF79K1
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*PRE-ORDER* — Expected delivery week of November 25, 2026.
The Seiko Prospex King Samurai Save the Ocean Special Edition (SRPF79K1) is a 43.8mm stainless steel automatic diver's watch with a blue dial inspired by the ocean as seen by a manta ray, a ceramic bezel and a blue silicone strap. Its angular "Samurai" case is rated to 200m, and Seiko donates proceeds from the Save the Ocean collection to sea conservation organisations.
Brand: Seiko
Collection: Prospex Sea — 'King Samurai' Save the Ocean Special Edition
Reference Number: SRPF79K1
Movement: Caliber 4R35 automatic with manual winding, approx. 41h power reserve
Case Material: Stainless steel
Case Size: 43.8mm diameter, 12.8mm thick, 48.7mm lug-to-lug
Dial: Blue
Water Resistance: 200m / 660ft diver's
Jewels: 23
Stop seconds hand function
Date display
Bezel: Unidirectional rotating, ceramic
Crystal: Sapphire crystal with magnifier
Crystal Coating: Anti-reflective coating on inner surface
LumiBrite: LumiBrite on hands, index(es) and bezel
Strap: Blue silicone, 22mm between lugs
Weight: 127.0g
SPECIAL EDITION engraved on the case back
Screw-down crown
Screw case back
Frequently Asked Questions
Q: Is this watch new and authentic?
A: Yes — every watch we sell is 100% brand new and authentic, sourced through official channels.
Q: What's included in the box?
A: The watch arrives in its original Seiko packaging with warranty card and manual.
Q: When will this pre-order ship?
A: Expected delivery is the week of November 25, 2026. We'll notify you as soon as it's ready to ship.
Q: What is the warranty?
A: Comes with Seiko international manufacturer warranty plus our store support.

