SKU: 35289172781

Seiko Prospex SRPK43K1 Night Vision Turtle Automatic Men's Watch

Sale price$1143.00 Regular price$1270.00
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Ships within 48 hours · Estimated delivery Jul 18 - Jul 23

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Description

Seiko Prospex SRPK43K1 Night Vision Turtle Automatic Men's WatchThe Seiko SRPK43K1 is a formidable and highly stealthy addition to the renowned "Prospex" collection, belonging to the highly sought after "Black Series." Watch enthusiasts widely celebrate this specific model under the "Night Vision Turtle" nickname, a nod to its iconic cushion shaped case and tactical, low light aesthetic. It features a robust 45mm Stainless Steel Case that has been fully treated with a matte black hard coating, ensuring exceptional

The Seiko SRPK43K1 is a formidable and highly stealthy addition to the renowned "Prospex" collection, belonging to the highly sought-after "Black Series." Watch enthusiasts widely celebrate this specific model under the "Night Vision Turtle" nickname, a nod to its iconic cushion-shaped case and tactical, low-light aesthetic. It features a robust 45mm Stainless Steel Case that has been fully treated with a matte black hard coating, ensuring exceptional scratch resistance while eliminating unwanted reflections. The distinctive "Turtle" silhouette curves comfortably around the wrist, offering a substantial yet highly wearable presence for both professional divers and urban adventurers. The focal point of this timepiece is its highly specialized Black Dial, engineered specifically for optimal legibility in the darkest conditions. To replicate the view through a night-vision scope, the prominent hands and 3D hour markers are generously coated with Seiko's advanced Green LumiBrite Pro. This upgraded luminescent material glows significantly brighter and longer than standard applications, providing a vivid green contrast against the dark background. A day and date window sits at the 3 o'clock position, magnified by a cyclops lens for quick reading. The face is protected by a premium Sapphire Crystal with an anti-reflective coating on the inner surface, and framed by a highly durable, scratch-proof black ceramic unidirectional diving bezel. At its core, this tactical diver is powered by the dependable Seiko Caliber 4R36 Automatic Movement, a highly robust mechanical engine offering a 41-hour power reserve, hacking, and manual winding capabilities. Secured by a matching black-coated Stainless Steel Men's Watch bracelet equipped with a secure three-fold clasp and a practical dive extension, and boasting a fully ISO-certified 200-meter water resistance, the SRPK43K1 is an indestructible, professional-grade tool built for the harshest environments.

Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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SKU: 35289172781

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4.2 ★★★★★
Based on 6 reviews
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Verified Purchase
Joe H.
San Leandro, US
★★★★★ 5
Very Expensive
Had one cylinder misfiring so replaced coil and spark plug. Runs fine now, but old plug looked shot after only 5 months so I think the coil was the problem. Really good plug so far but very expensive.
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Reviewed in the United States on February 12, 2026
R
Verified Purchase
rkab8745
Alexandria, US
★★★★★ 5
A reliable set of spark plugs.
They’re made in Germany, what else can you say
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Reviewed in the United States on April 24, 2026
A
Verified Purchase
Amazon Customer
San Leandro, US
★★★★★ 5
Work as well as the NGK's
Bought for a 2016 Mazda 6, I had NGK's in it for 5 months and had misfires, didnt have the money to throw more NGK's at it for troubleshooting. Bought these to try and they work great so far.
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Reviewed in the United States on April 29, 2026
C
Verified Purchase
Christopher D. Bodirsky
Whiting, US
★★★★★ 4
Faulty plug? Otherwise great set
Definitely better than the old plugs that probably had 80k miles on them. The one star off is because I had a misfire after installing. Not sure if I damaged the plug or what, but a reinstall didn't fix the misfire. In my genius, I rushed to try to gap it and ended up breaking the iridium tip. Put the old plug into cylinder 3 (where the misfire was) and it was fine. Gonna have to get a new single tomorrow at my local shop, but a bit frustrating to get a misfire after install.
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Reviewed in the United States on April 27, 2026
B
Verified Purchase
Britincali
Waukegan, US
★★★★★ 5
Upgrade from OEM
After seeing a quite ludicrous $403 quote to change 4 spark plugs in a Mazda3 I decided to show my son how easy it is. These were an upgrade from OEM parts. They were gapped perfectly for the car. They took 20mins to fit and work fine.
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Reviewed in the United States on February 11, 2026

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