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SEIKO

SEIKO SRPG31 Watch for Men - 5 Sports - Automatic with Manual Winding Movement, Blue-Gray Dial, Stainless Steel Case, Blue-Gray Nylon Strap, 100m Water Resistant, and Day/Date Display

  • Based on 107 reviews
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Availability: Only 1 left in stock, order soon!
Fulfilled by Amazon
Arrives May 29 – Jun 2
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Is Discontinued By Manufacturer ‏ : ‎ No


Package Dimensions ‏ : ‎ 4.84 x 3.98 x 3.43 inches; 6.74 ounces


Item model number ‏ : ‎ SRPG31


Department ‏ : ‎ mens


Date First Available ‏ : ‎ June 10, 2021


Manufacturer ‏ : ‎ Seiko


Product Warranty: For warranty information about this product, please click here


Best Sellers Rank: #451,712 in Clothing, Shoes & Jewelry (See Top 100 in Clothing, Shoes & Jewelry) #1,992 in Men's Wrist Watches


#1,992 in Men's Wrist Watches:


Display: Analog


Watch Movement Type: Japanese Automatic


Power Source: Japanese Automatic


Strap Type: Nylon strap


Water Resistance Depth: 200 Meters


Sport Type: Walking


Clasp Type: Buckle


Water Resistance Level: Water Resistant


Embellishment Feature: Crystal


Closure Type: Buckle


Style Name: SRPG31


Shape: Round


Band Color: Blue-gray


Dial Color: Blue


Theme: Sports


Face Style: Gray


Brand Name: SEIKO


Model Name: SEIKO 5 SPORTS


Included Components: Stainless steel case, blue-gray nylon band


Model Number: SRPG31


Series Number: 31


Item Weight: 0.19 Kilograms


Global Trade Identification Number: 80


Manufacturer: Seiko


UPC: 029665208880


Manufacturer Part Number: SRPG31


Age Range Description: Adult


Band Material Type: Nylon


Case Material Type: Stainless Steel


Crystal: Crystal


Case Diameter: 39.4 Millimeters


Band Width: 20 Millimeters


Case Thickness: 12 Millimeters


Bands: 1


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: May 29 – Jun 2

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • My EDC, almost.
Solid watch with a great dial. Grayish blue with a little texture, the applied numerals catch the light and are easy to read. Field watch vibe, but dressed up. I put a tan leather band on it and it’s at a whole new level. I have 12 watches and I wear them all, but this one is on my wrist three out of seven days. ... show more
Reviewed in the United States on December 5, 2025 by DPC
    • Exactly what I wanted.
Nothing I dislike. A mechanical movement does not keep time quite as accurately as a battery-powered quartz movement, but Seiko tells you this in their literature. Don't expect perfect accuracy from a spring-driven movement. That said, I can go weeks without adjusting and be less than one minute off. I wear it all day every day, and it functions perfectly. If you're not going to wear it (or keep it in a case designed for self-winding watches), this isn't the watch for you. If you like the old-school movement (and I love the clear case-back) and will wear the watch daily, then this is a great watch. It's simple, classy, and costs a lot less than most automatics. A great entry-level automatic watch. ... show more
Reviewed in the United States on August 23, 2024 by TQ
    • Good everyday watch
After a recent trip to the beach, I realized that I really didn't have any watches water resistant enough to take with me either to a beach, or even to a neighborhood pool. Something has to change. Enter this watch. Having previously purchased the SNK809, and wearing that for a while, I was looking to upgrade, but I didn't want something that was going to be too big on my small arm. Good thing that Seiko released a mid-sized watch for normal people. The 100M water resistance is a bonus, and I can attest that it works just fine in pools, at least. It has a "blue saturday" and a "red sunday" in the window, and the overall look of this military-inspired watch is clean and clear. The lume is bright enough to see in the early morning, and the automatic keeps time very well, much better than the SNK809. There's not much more to say. The included watch band is decent enough, though I've replaced it with a series of quick-release bands that I change out depending on how I'm feeling that day, and what I'm doing. Overall, I would recommend it, and I'm happy with my purchase. ... show more
Reviewed in the United States on September 7, 2021 by David Morton
    • Beautiful watch!
This watch is absolutely beautiful. It’s easy to read and a great size. Like other reviewers and Seiko has said it’s not going to be accurate down to the second. After winding, I would say mine gains a few seconds a day. But having a watch that stylish, beautiful and I don’t have to worry about getting the battery replaced in. It is worth it. I’m not sure about the durability of the NATO style band. The color does match the watch perfectly. I suspect that overtime the band will wear out and I’ll just replace it. ... show more
Reviewed in the United States on December 17, 2025 by WordSmyth
    • Good watch for weak eyes...
So far I've only had it for a week and in that time it gained a minute and a half. To me that is excellent for an automatic watch (face it, it's not a Rolex). In the past, I have been told that gaining or losing 5 minutes per week for a relatively inexpensive watch is very good. Once I have worn it for a while, I will be interested in seeing how well it keeps time. AND no battery, no charging and no beeps or chimes telling me what to do. Just wear it to keep it wound. ... show more
Reviewed in the United States on February 11, 2025 by DDick
    • First automatic for my kid
Introduced my son to the world of automatic watches and he appears to be a fan. Nice weight and size too, I have tried a couple of micro brands and honestly just not impressed SEIKO does a better job IMHO.
Reviewed in the United States on March 24, 2026 by UconnSlider
    • Day/Date synchronization
Nice watch but struggle to get the day and date to sync up.
Reviewed in the United States on April 2, 2025 by John Tulloss
    • Beautiful!!
Review Image by David Furderer
Review Image by David Furderer
Review Image by David Furderer
Love it! Have a few other seiko' automatic watches, but I like the simplistic look and feel of this one, especially since I swapped out the band for an expandable one, it matches perfectly with the body of the watch, any how, i would buy it again if this was lost or broken, Cheers!
Reviewed in the United States on November 22, 2025 by David Furderer

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