Seiko 5 Sports 5 Sports Sports Style Stainless Steel / Blue / NATO

Reference SRPD51K2

Seiko 5 Sports Sports Style Stainless Steel / Blue / NATO

About this watch

The Seiko SRPD51K2, also known as the SRPD51, is a stunning blend of classic design and modern technology. Launched in 2019, this watch is a part of Seiko’s renowned 5 Sports collection, which is celebrated for its robustness and versatility. With a striking blue sunburst dial and a reliable automatic movement, the SRPD51K2 is not just a watch; it's a statement piece. The stainless steel case not only enhances durability but also gives it a sleek, polished look. Plus, the Hardlex glass is designed to withstand scratches, making it an excellent choice for daily wear. At the heart of the Seiko SRPD51K2 is the caliber 4R36 automatic movement. This reliable movement boasts a 41-hour power reserve, allowing you to take it off for a weekend without worrying about it stopping. It features a frequency of 21,600 vibrations per hour, ensuring excellent accuracy. The watch displays hours, minutes, seconds, and even the date and day, making it incredibly functional for everyday use. With a water resistance of up to 100 meters, the SRPD51K2 is a solid choice for swimmers and snorkelers. It's built to withstand the elements. The rotating bezel adds an extra layer of utility, especially for diving enthusiasts who need to track elapsed time underwater.

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Key Features

Seiko caliber 4R36 automatic movement
Stainless steel case with Hardlex glass
100m water resistance

Specifications

Brand

Seiko

Family

5 Sports

Model

5 Sports Sports Style Stainless Steel / Blue / NATO

Reference

SRPD51K2

Movement

4r36

Movement Features

Hours, Minutes, Seconds
Date, Day

Case

Stainless Steel 42.5mm

Dial Color

Blue

Crystal

Hardlex

Water Resistance

100

Current Listings

SEIKO 5 Sports SRPC68K1 Bottle Cap Automatic Watch Steel Root Beer Brown Nylon

Seiko - SRPC68K1 · $220

Up for sale is my Seiko SRPC68K1, a Bottle Cap Automatic Watch in Steel with Root Beer Brown Nylon strap.

Condition: As new, worn maybe 5 times
Case diameter: 43.8mm
Thickness: ~12.8mm
Water resistance: 200m depth rating

Posted at

May 1, 2026, 4:55 PM

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Seiko 5 Sports SRPH29 - Bracelet + Green Nylon Strap - Fire Sale 🔥

Seiko - SRPH29 · $199

A Seiko 5 Sports SRPH29 is being sold with a green nylon strap and a steel bracelet. It has a 39mm x 48mm x 13.2mm case size and a 20mm lug width.

Condition: Brand new with minimal wear
Lug Width: 20mm
Dimensions: 39mm x 48mm x 13.2mm
Shipping Restricted: continental US only

Posted at

May 1, 2026, 10:06 AM

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Seiko 5 Sports x Rowing Blazers Limited Edition SRPJ61 – Brand New In Box $430

Seiko - SRPJ61 · $430

This limited edition Seiko 5 Sports x Rowing Blazers SRPJ61 has a unique design and features a sapphire glass upgrade, making it a great statement piece for collectors or those looking for something different from standard Seiko models.

Condition: Brand new in box
Limited Edition Quantity: 888 pieces produced
Case Size: 40mm diameter
Water Resistance: 100m depth rating

Posted at

May 1, 2026, 12:44 AM

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Premium curved end straps / Fits Seiko SSK GMT, Seiko 5 Sports, Islanders

· $49

This listing is for three Seiko compatible straps, including a Monstrap and an Islander brand strap.

Type: watch straps
Material: FKM rubber
End type: curved,straight

Posted at

Apr 30, 2026, 11:26 PM

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SEIKO 5 SPORTS AUTOMATIC. $160 Shipped

Seiko - 5 Sports Automatic · $160

This Seiko 5 Sports Automatic is a reliable and stylish watch featuring an in-house automatic caliber, luminous hands, and a clean classic design. It has a day-date display and an exhibition case back for added visual interest.

Condition: good working condition
Case diameter: 39mm
Thickness: 14mm
Lug to lug: 42mm

Posted at

Apr 29, 2026, 12:55 PM

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Seiko 5 Sports Automatic SNZG15J1 (Slim Caseback Mod) 🚨$199 SHIPPED🚨

Seiko - SNZG15J1 · $199

This Seiko 5 Sports Automatic features a slim caseback mod, the 7S36 movement, and comes with multiple straps.

Condition: Used-Good; 7.5/10
Movement: 7S36-03J0
Caseback: Slim Caseback Mod (1-2mm shaved)
Straps: OD Green Strap, Single-Pass Khaki Nato Strap

Posted at

Apr 26, 2026, 5:54 PM

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Seiko 5 Sports Automatic SRPD55K1 – Full Set – $275 🚀

Seiko - SRPD55K1 · $275

Up for sale is a Seiko 5 Sports SRPD55K1 in the classic black dial / black bezel configuration. It's a great everyday automatic—clean, versatile, and reliable.

Condition: Very good
Case size: 42.5mm
Water resistance: 100m
Movement type: Seiko 4R36 automatic (hacking + hand-wind)

Posted at

Apr 26, 2026, 2:15 PM

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Seiko 5 Sports x Pink Panther SRPM07 Pink Dial SKX Series Limited Edition

Seiko - SRPM07 · $695

A limited edition collaboration between Seiko and The Pink Panther, this watch features a 38mm automatic movement with an original bracelet and strap.

Condition: New
Size: 38mm diameter
Movement: Automatic

Posted at

Apr 25, 2026, 9:45 AM

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Seiko 5 Sportsmatic Duluxe 7619-7060 (Automatic)

Seiko - 7619-7060 · $350

A classic and vintage Japanese Seiko 5 Sportsmatic Duluxe automatic watch from July 1966 with a stainless steel case and flawless sunburst black dial.

Condition: good condition, some hairline scratches on the case
Case size: 38mm (without crown)
Lug to lug: 43mm
Lug width: 18mm

Posted at

Apr 24, 2026, 10:48 AM

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