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SEIKO Prospex Automatic Green Dial Men's Watch SPB121J1

  • Based on 93 reviews
Condition: Used - Like New
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$688.75 Why this price?
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Availability: Only 1 left in stock, order soon!
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Arrives Sunday, Jun 14
Order within 16 hours and 25 minutes
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Description

Green dial. Silver-tone stainless steel case with a brown leather band. Automatic movement. 200 meters / 660 feet water resistance. Buckle clasp. Case size 39.5 mm x 13.2 mm. Seiko SPB121J1 Prospex Watch.

Is Discontinued By Manufacturer ‏ : ‎ No


Product Dimensions ‏ : ‎ 5.91 x 3.94 x 1.97 inches; 0.07 ounces


Item model number ‏ : ‎ SPB121J1


Department ‏ : ‎ mens


Batteries ‏ : ‎ 1 Unknown batteries required. (included)


Date First Available ‏ : ‎ January 20, 2020


Manufacturer ‏ : ‎ Seiko


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


Customer Reviews: 4.4 4.4 out of 5 stars (103)


Brand, Seller, or Collection Name: SEIKO


Item Length: 5.91 inches


Clasp: Tang Buckle


Resizable: No


Model number: SPB121J1


Model Year: 2020


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Jun 14

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.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • the real deal cant go wrong with seikos
This the real deal.. It is pricey, cant comment on the things i gave only 3 stars because I dont wear it much because it is so beautiful. A work of Art. Hey, it is a Seiko,,,it will last and can be repaired for 20 years after manufacture. And it will hold its value, I sent a 20 year old divers watch in to Seiko and they still had the parts for it, It puts Rolex's to shame. So does grand Seikos, I do own a gold Rolex and the case is all gold ... show more
Reviewed in the United States on February 5, 2024 by joe e

  • Perfect
Very happy , great watch
Reviewed in the United States on August 11, 2025 by roger gaddis

  • Another brilliant watch from Seiko
This watch is widely admired and widely reviewed. I have little to add, except that the compass feature is very cool. Google it and you will learn how to use it (although it is cloudy and rainy today, so pointing the hour hand at the sun would not be easy). This watch is exemplifies why Seiko is hands-down, the most innovative and admired watch company in the world. Not the only good watch company by a long shot, but from excellent $200 watches to mid-range watches like this and its legendary divers, to collectible Grand Seikos, the company never ceases to amaze. ... show more
Reviewed in the United States on January 4, 2023 by Mark Twain

  • Good watch?
This is a very nice watch, but it does have one drawback. Even with the bubble on the date window it is still very hard to read. I had to send the watch back.
Reviewed in the United States on April 29, 2025 by A. Bruton

  • Keeps excellent time
Keeps excellent time. Well worth it
Reviewed in the United States on November 9, 2025 by Russell Hanney

  • I would buy again
Excellent!
Reviewed in the United States on November 16, 2025 by Amazon Customer

  • So nice looking on any strap
No regrets purchasing. Crown jewel in the collection of seikos.
Reviewed in the United States on September 22, 2025 by cameron

  • Defective. New?
Received product and was defective out of the box. Had it on auto winder for 4 hours and watch never started. Also, when I opened the box it did not seem like it was packaged like a new watch, I think they sent me used/returned product. Returned the watch same day.
Reviewed in the United States on May 10, 2025 by Randal C. Livingston

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