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SEIKO

Seiko SPB155 Prospex Men's Watch Silver-Tone 38mm Stainless Steel

  • Based on 71 reviews
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Fulfilled by ELI ADAMS JEWELERS INC
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Description

- 21,600 Vibrations Per Hour - 24 Jewels - Gradated Green Dial - Date Calendar - LumiBrite Hands & Markers - Screwdown Crown & See-Through Caseback - Tri-Fold Push Button Release Clasp - Water-Resistant to 20 Bar, 200 Meters (660 Feet)

Product Dimensions ‏ : ‎ 4.8 x 4.8 x 3.7 inches; 1.19 pounds


Item model number ‏ : ‎ SPB155


Department ‏ : ‎ mens


Date First Available ‏ : ‎ June 2, 2022


Manufacturer ‏ : ‎ Seiko


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


Best Sellers Rank: #1,490,412 in Clothing, Shoes & Jewelry (See Top 100 in Clothing, Shoes & Jewelry) #6,347 in Men's Wrist Watches


#6,347 in Men's Wrist Watches:


Customer Reviews: 4.4 4.4 out of 5 stars (71)


Display: Analog


Watch Movement Type: Automatic


Additional Features: Magnifying


Strap Type: Bracelet


Water Resistance Depth: 200 meters


Sport Type: Walking


Clasp Type: Tri-fold clasp with push button release


Water Resistance Level: Waterproof


Embellishment Feature: Crystal


Closure Type: Buckle


Style Name: Modern


Shape: Round


Band Color: Silver-tone


Dial Color: Green


Theme: Outdoor


Pattern: Solid


Face Style: Modern


Brand Name: SEIKO


Model Name: SPB155


Included Components: Stainless Steel Bracelet


Model Number: SPB155


Series Number: 155


Number of Packs: 1


Model Series: Prospex


Manufacturer: Seiko


Number of Items: 1


UPC: 029665203298


Age Range Description: Adult


Manufacturer Part Number: SPB155


Band Material Type: Stainless Steel


Case Material Type: Stainless Steel


Crystal: Sapphire


Case Diameter: 38 millimeters


Band Width: 20


Case Thickness: 13


Bands: 1


Warranty Type: Manufacturer


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Top Amazon Reviews

    • Great Everyday Watch
The Alpinist is the correct size. At 37.7 mm diameter 46 mm lug to lug and 13 mm thick, this is just right. I like the 20 bar water resistance made most secure by the screw down crown. If you are looking for the heft and feel of the OG stainless steel watch with a three link bracelet and a date, this is the ticket. The pebble finish dial that gets slightly darker as it goes out to the railroad minute track works extremely well with the gilt cathedral hands. The painted even Arabic markers complement the colors perfectly. In despite of the vintage look of the dial furniture, the hands and pips on the minute track glow a satisfyingly modern blue in the dark. The display back reveals a workmanlike movement with good performance. The striped rotor is a nice touch. The hacking Seiko 6R35 movement keeps time well within specifications and the 70 hour power reserve means it will sit for a weekend without need for setting on Monday. Case polishing and finish is very good. The twin button clasp is small and neat, including two micro adjustment holes. The bracelet was easy to size and all links are solid. The bracelet has half links and one should be able to size it correctly. If you don't like a bracelet, it would do well on a strap due to the adequate lug length. This watch is an excellent all around choice for someone needing a go anywhere do anything watch. You will find this watch as appropriate in an office as it is on a hike. The Alpinist is a great value and with Seiko's reputation for reliable performance, I anticipate many years of enjoyment from my watch. ... show more
Reviewed in the United States on April 27, 2024 by Daniel J. Harris
    • Met every expectation
Review Image by Albert G. Smith Jr.
I can remember when I hesitated to buy a $70 Timex watch from a Target store, so this was not a casual purchase for me. My birthday was coming up and I figured that I could splurge. After several candidates and hours of YouTube videos, I chose this model. I believe that I have made the right choice. This watch was quickly sized to my 6 1/2 inch wrist by removing three links. With only two micro adjustments, I was nervous, but no problem. This watch fits perfectly and is very comfortable. Operationally, I set this watch hacked to my atomic wall clock two weeks ago and it is about 10 seconds fast today. I figure I'll unscrew the crown and reset the time when I gets 20 or so seconds fast, so this watch is better than most of my mechanical models. Visually, this is a handsome watch. The dial can appear different depending on the light and the angle that it is viewed. It can appear brilliant green, to grey, to almost black. I like this variance. So far, I have no regrets and feel this was a great purchase. ... show more
Reviewed in the United States on April 24, 2024 by Albert G. Smith Jr.
    • Very good
After a few weeks, very satisfied. It is keeping good time, deployment clap works great, the size and weight are balanced, and it remains very comfortable to wear all day. The green textured dial gets lots of attention. It’s a keeper. The luminescent dial feature is not useful if you work indoors or wear long sleeves it doesn’t get a lot of daylight exposure. The links in the bracelet were removed and replaced easily at home with a $10 kit. With automatic movement watches, you have to expect to have it serviced about every three years , at substantial cost. A factory maintenance service from Seiko is, I think around, $250. So keep that in mind, but I think this watch is worth it, an especially likely to have a reasonably good resale value with Seiko fans based on a bit of the history on the Alpinist branding. ... show more
Reviewed in the United States on February 3, 2025 by 440 in space
    • Well made and good quality
Watch arrived quickly and was very well packaged. Was as described with screw down crown and sapphire Christal and well done dial. The package does not include specific directions on hand winding and time and date setting so its best to go to the Seiko website or any number of YouTube videos on doing those functions. The finishing detail was done well. The links on the bracelet are all the same size, so fitting the sizing can be alittle more difficult since on some bracelets the size can vary slightly. Also, the watch does not come with a tool to remove the link pins, although a small paper clip would likely work. All and all a good watch for the price, especially from this seller. ... show more
Reviewed in the United States on June 28, 2026 by Recent Buyer
    • Overall excellent watch
I’ve had it for around 2 months and have been daily wearing for that time. At first, the time keeping was worst than expected but became better the more I wore it. It’s perfect for my day to day due to my job which requires me to move around a lot which makes it gain time throughout the day. At night I leave it crown side up which makes it lose time causing it to even out every day when I wake up. All around it runs at +2 seconds a day, which is incredible on top of how beautiful the dial is. The lume is great and everything about this watch is great. This is my first watch and the only one i’ll be wearing for years and years to come. ... show more
Reviewed in the United States on February 24, 2024 by Miguel
    • A Rolex Explorer for 10% of the Cost
I currently own a two Rolexs (Air King and DateJust), but wear ths Seiko daily. The "baby alpinist" as it's called is quite a nice size and the graduated green dial and gold markers makes for a great looking watch. Accuracy is similar to my DateJust. The price from this vendor was under $700 including state tax and the firm was very responsive when its shipping seemed stalled. While some might think its price is high for a Seiko, relative to the cost of a current Rolex it's "cheap". Considering that Rolex charges about $500 for sevicing one of its watches, this watch is quite the bargain. ... show more
Reviewed in the United States on October 29, 2022 by TEF
    • Perfect size once adjusted – excellent everyday watch
Review Image by Rogemif
Review Image by Rogemif
Review Image by Rogemif
At first, I thought the watch felt a bit small, but that was only because I’m used to wearing a larger Garmin smartwatch. After a couple of days, and especially once I had the bracelet links adjusted, everything clicked. The size is actually perfect — very well balanced on the wrist, comfortable, and elegant without feeling bulky. The green dial looks even better in person, and the overall quality is exactly what you’d expect from Seiko. Great everyday watch that works just as well casually as it does dressed up. Very happy with this purchase. ... show more
Reviewed in the United States on December 29, 2025 by Rogemif
    • Close to perfect
Review Image by gatrick
Review Image by gatrick
Review Image by gatrick
Review Image by gatrick
Such a beautiful watch and hard to find a better watch than this for the money. The only (small) negatives for me is the accuracy and lack of micro adjustments (no half links and only 2 micro adjust holes on clasp). These two minor negatives are easy for me to overlook. Love this watch--it has instantly become my favorite. ... show more
Reviewed in the United States on December 5, 2024 by gatrick

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