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 SRPK29 5 Sports 38mm, $200 Shipped

Seiko - SRPK29 · $200

This Seiko SRPK29 5 Sports is a 38mm watch that was only worn a handful of times due to the owner not liking it for their wrist size.

Condition: Pre-owned (lightly used)
Case diameter: 38mm

Posted at

Dec 13, 2025, 12:01 PM

Active

View listing on r/WatchExchange

Seiko 5 Sports SRPL03 'Kamen Rider'

Seiko - SRPL03

A modern reissue of the classic 1960s Seiko 5 Sports Kamen Rider reference, featuring a silver dial and a 4R36 automatic movement.

Condition: near brand new
Case size: 38.5mm diameter
Water resistance: 100m
Thickness: 12.4mm

Posted at

Dec 12, 2025, 4:07 PM

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View listing on r/WatchExchange

Vintage Seiko 5 Sportsmatic Deluxe 7619-7010 - $225 Shipped!

Seiko - 7619-7010 · $225

A vintage Seiko Sportsmatic Deluxe featuring an automatic movement in a 38mm case, sunburst dial, and day/date window.

Condition: great overall condition with light signs of wear
Case size: approximately 38mm
Bracelet length: fits wrists up to approximately 7.2 inches

Posted at

Dec 11, 2025, 8:50 AM

Active

View listing on r/WatchExchange

Seiko 5 Sports Automatic 23 Jewels Caliber 7S36- 04A0

Seiko - 7S36-04A0 · $125

A Seiko 5 Sports Automatic with a 23 jewel movement, featuring a rugged character and beautiful lume. The watch has some wear on the bezel but still works smoothly.

Condition: Pre-owned
Caliber: 7S36
Jewels: 23

Posted at

Dec 9, 2025, 11:02 PM

Active

View listing on r/WatchExchange

Seiko 5 Sports x Brian May "Red Special II" Limited Edition - SRPH80

Seiko - SRPH80

Posted at

Dec 9, 2025, 8:42 PM

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Seiko 5 Sports SRPD61 Green Dial

Seiko - SRPD61 · $160

Up for sale is a classic Seiko 5 Sports reference SRPD61 with a beautiful green dial, featuring an automatic movement and 42.5mm case size.

Condition: Pre-owned, good condition
Size: 42.5mm diameter
Movement: Automatic

Posted at

Dec 9, 2025, 6:46 PM

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Seiko 5 Sports x Rowing Blazers Limited Edition - Purple Dial - SRPJ65

Seiko - SRPJ65 · $375

Up for sale is the limited edition Seiko 5 Sports x Rowing Blazers with the striking purple dial, designed in collaboration with vintage watch expert Eric Wind and features a distinctive purple dial with 'Rowing Blazers' text.

Condition: Like New In Box (LNIB)
Case Size: 40mm diameter
Lug Width: 20mm
Movement: Seiko 4R36 Automatic (hacking and hand-winding)

Posted at

Dec 7, 2025, 6:24 PM

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Seiko 5 Sports x Brian May "Red Special II" Limited Edition - SRPH80

Seiko - SRPH80 · $425

This limited edition Seiko 5 Sports watch, the second collaboration between Seiko and Queen guitarist Brian May, features a gold-tone case with a textured red dial and nylon guitar string strap.

Condition: Like-new (LNIB)
Case Size: 42.5mm diameter
Movement: Seiko 4R36 Automatic
Water Resistance: 100m depth rating

Posted at

Dec 7, 2025, 5:41 PM

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View listing on r/WatchExchange