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

Reference SRPD51K1

About this watch

The Seiko SRPD51K1 5 Sports Style watch is a remarkable blend of durability, functionality, and style. Its striking blue dial, reliable movement, and robust construction make it a versatile addition to any watch collection. The stainless steel case features a diameter of 42.50 mm, striking a perfect balance between size and comfort on the wrist. The automatic Seiko Caliber 4R36 movement boasts a 41-hour power reserve, ensuring precision and accuracy. With a water resistance rating of 100 meters, this watch is capable of handling splashes and swimming, making it an excellent companion for active lifestyles. The open case back showcases Seiko's commitment to craftsmanship, allowing you to admire the intricate workings of the movement. Its sporty yet elegant design allows it to transition seamlessly from casual to formal settings.
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Key Features

  • 42.50mm stainless steel case
  • Automatic Seiko Caliber 4R36 movement with 41-hour power reserve
  • 100m water resistance
  • Open case back showcasing craftsmanship
  • Stainless steel bracelet for comfort and durability
  • Hardlex crystal glass for scratch-resistance
  • Dual date and day display on dial

Specifications

Brand
Seiko
Family
5 Sports
Model
5 Sports Sports Style Stainless Steel / Blue / Bracelet
Reference
SRPD51K1
Movement
4r36
Movement Features
  • Hours, Minutes, Seconds
  • Date, Day
Case
Stainless Steel 42.5mm
Dial Color
Blue
Crystal
Hardlex
Water Resistance
100

Current Listings

[WTS] Seiko 5 Sports Speed timer Automatic Watch. $420 Shipped.

Seiko 5 Sports Speed timer Automatic Watch. $420 Shipped.

Seiko - 6139-8050 · $420
This Seiko 5 Sports Speed timer Automatic Watch is a JDM model from mid-1976, featuring an automatic movement with 21 jewels and a stainless steel case.

  • Condition: good Working condition, watch only
  • Movement: Seiko Caliber 6139
  • Jewels: 21
  • Manufacture: Japan
Posted at
Apr 11, 2026, 11:15 AM
Active
[WTS] Seiko 5 Sports Gold 42mm

Seiko 5 Sports Gold 42mm

This Seiko 5 Sport watch is a gold version, measuring 42mm in diameter. It comes with full links and its original box.

  • Condition: New, only worn once
  • Case size: 42mm diameter
  • Location: Eugene Oregon
Posted at
Apr 8, 2026, 7:51 PM
Active
[WTS] Seiko 5 Sports Field SRPJ81 36mm

Seiko 5 Sports Field SRPJ81 36mm

Seiko - SRPJ81 · $150
Up for sale is a black dial Seiko 5 Sports Field reference SRPJ81. The watch case and bracelet are in good condition.

  • Condition: Good with small dings and scuffs, mineral crystal scratches
  • Case condition: good
  • Bracelet condition: good
  • Crystal condition: scratches
Posted at
Apr 8, 2026, 6:10 PM
Active
[WTS] Seiko 5 Sports GMT Automatic Ice Blue Limited Edition SSK029K1 215/1000

Seiko 5 Sports GMT Automatic Ice Blue Limited Edition SSK029K1 215/1000

A Seiko 5 Sports GMT Automatic watch with an Ice Blue Limited Edition design, one of only 215 produced out of 1000. It has been worn a few times and functions properly.

  • Condition: Worn several times, works well with no issues that I've noticed.
Posted at
Apr 7, 2026, 10:14 PM
Active
[WTS] Seiko 5 Sports Speedtimer 6139-6031 The “Coke” | All Original | Serviced | $1260 Shipped (Tax Covered)

Seiko 5 Sports Speedtimer 6139-6031 The “Coke” | All Original | Serviced | $1260 Shipped (Tax Covered)

Seiko - 6139-6031 · $1,260
This Seiko 5 Sports Speedtimer is a sought-after JDM 'Coke' variant with a bold red/black bezel and vintage tones across the dial. It's an early automatic chronograph with presence on the wrist.

  • Condition: Unpolished, serviced
  • Movement: Seiko Cal. 6139 Automatic Chronograph
  • Functionality: Keeping good time, all functions working perfectly
  • Bracelet size: ~18cm (7.1in)
Posted at
Apr 6, 2026, 4:49 AM
Active
Seiko X Kosuke Kawamura 5 sports SBSA177

Seiko X Kosuke Kawamura 5 sports SBSA177

Seiko - SBSA177 · $850
This limited edition Seiko Men's 5 Sports Kosuke Kawamura watch is a unique piece with only 3,000 produced. It features an automatic movement and comes with additional details such as a LumiBrite on hands, index(es) and bezel, and a three-fold clasp with push button release.

  • Condition: Mint condition
  • Movement Caliber: 4R36
  • Power Reserve: 41 hours
  • Water Resistance Bar: 10
Posted at
Mar 8, 2025, 6:34 PM
Active
1970s Seiko 5 Sports Speedtimer Chronograph Ref: 6138-0030 " Kakume"

1970s Seiko 5 Sports Speedtimer Chronograph Ref: 6138-0030 " Kakume"

Seiko - 6138-0030 · $950
This is a 1970s Seiko 5 Sports Speedtimer Chronograph with a 42mm stainless steel case, original blue tachymeter bezel, and excellent original blue chronograph dial. It comes with the Seiko calibre 6138 and a navy blue leather strap.

  • Condition: Very nice (42mm Stainless Steel case has some wear from use)
  • Case size: 42mm diameter
  • Bracelet type: Navy Blue leather strap
  • Serial number: 3D1,XXX
Posted at
Jan 23, 2025, 10:12 PM
Active