Seiko 5 Sports 5 Sports Street Style Hard Coating / Black - Blue / NATO

Reference SRPD81K1

Seiko 5 Sports Street Style Hard Coating / Black - Blue / NATO

About this watch

The Seiko SRPD81K1, a masterpiece of horology, is a watch that beautifully marries functionality with style. Its black and blue color scheme is both bold and versatile, making it suitable for various occasions. The sunburst finish on the dial catches the light beautifully, creating a dynamic look that changes with your movement. At the heart of this timepiece lies the automatic caliber 4R36 movement, known for its reliability and providing accurate timekeeping with a 41-hour power reserve. With a water resistance rating of 100 meters, this watch is perfect for swimmers or those who enjoy water sports. The SRPD81K1 features a round stainless steel case coated with PVD, providing durability and a sleek appearance. Its NATO strap adds to its casual yet sporty vibe, making it suitable for various wrist sizes. This watch is not just a tool; it’s a statement piece that complements any outfit, from a crisp white shirt and jeans to a tailored suit.

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Key Features

Automatic Seiko Caliber 4R36 movement
Water resistance up to 100 meters
Round stainless steel case with PVD coating
NATO strap for comfortable wearability
Durable Hardlex glass

Specifications

Brand

Seiko

Family

5 Sports

Model

5 Sports Street Style Hard Coating / Black - Blue / NATO

Reference

SRPD81K1

Movement

4r36

Movement Features

Hours, Minutes, Seconds
Date, Day

Case

Stainless Steel 42.5mm

Dial Color

Black

Crystal

Hardlex

Water Resistance

100

Current Listings

Seiko SSK003 Seiko 5 Sports GMT “Batman” – Full Kit

Seiko - SSK003 · $320

The Seiko SSK003 is an everyday GMT watch with a blue/black 'Batman' bezel, suitable for various occasions.

Condition: Very good condition
Movement: Seiko 4R34 automatic GMT movement
Case size: 42.5mm
Crystal type: Hardlex crystal

Posted at

Mar 17, 2026, 1:32 AM

Active

View listing on r/WatchExchange

Seiko SSK001 GMT - SKX 5 Sports Grey/Black

Seiko - SSK001 · $275

Selling my Seiko SSK001 GMT, a black/grey watch with a bi-directional bezel and date display.

Condition: 7.5/10
Movement: Seiko Caliber 4R34 automatic GMT
Power reserve: 41 hours
Case diameter: 42.5 mm

Posted at

Mar 17, 2026, 12:22 AM

Active

View listing on r/WatchExchange

Seiko 5 Sports Field GMT "Deception" SSKO25

Seiko - SSKO25 · $299

This is a Seiko 5 Sports Field GMT watch, known as the 'Deception'. It features a unique design and is in excellent condition.

Condition: Mint, barely worn
Box: yes
Papers: yes
Warranty Card Valid Until: December 2028

Posted at

Mar 16, 2026, 5:43 PM

Active

View listing on r/WatchExchange

Seiko SRPK33 Seiko 5 Sports

Seiko - SRPK33 · $190

This Seiko SRPK33 is a 37mm watch in good condition, showing some signs of wear.

Condition: Pre-owned with minor wear
Case Size: 37mm
Bezel Condition: Scratch at 9min
Bracelet Condition: Rebrushed

Posted at

Mar 15, 2026, 10:25 PM

Active

View listing on r/WatchExchange

Seiko 5 Sports SRPE55 “DressKX” – Sapphire Crystal Upgrade

Seiko - 5 Sports SRPE55 · $250

A Seiko 5 Sports SRPE55, also known as the 'DressKX', comes with a double-domed sapphire crystal and is powered by an automatic Seiko 4R36 movement. It has been worn daily for three years.

Condition: daily-wear, honest signs of use
Case Size: 40mm diameter
Lug Width: 20mm
Movement: Seiko 4R36 automatic (hacking & hand-winding)

Posted at

Mar 10, 2026, 8:11 PM

Active

View listing on r/WatchExchange