Seiko 4HX0JB Genuine “Monster” Diver Strap 20mm, Black Rubber

$ 47.98

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Seiko 4HX0JB Genuine “Monster” Diver Strap 20mm, Black Rubber

To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.Learn more how customers reviews work on Amazon






Customers say

Customers find the watch band to be a genuine Seiko product with a perfect fit and good durability. They appreciate its soft feel, with one customer noting its pliable nature.

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17 customers mention quality, 17 positive, 0 negative

Customers are very pleased with the quality of the watch band, describing it as a real Seiko product, with one customer noting it's an OEM replacement for the Monster diver watch.

Expensive, but absolutely real Seiko. Arrived from Japan with Japanese newspaper cushioning the package….Read more

Great product, easy to installRead more

Exactly what I wanted. Genuine Seiko in factory packaging. Shipped from Japan, so shipping takes a while.Read more

Satisfied with watch band but did not Receive spring pins to attach band To watchRead more

8 customers mention fit, 7 positive, 1 negative

Customers are satisfied with how the watch band fits.

…Durable and comfortable black rubber, stylish design, and a perfect fit. Highly recommend!"Read more

Fits well and durableRead more

Great fit and finish, very durable and comfortable. Can’t beat it.Read more

Appears to be REAL Seiko, fits properly and feels soft and pliable like my original Monster band…Read more

6 customers mention durability, 6 positive, 0 negative

Customers find the watch band durable.

Durable and comfortable black rubber, stylish design, and a perfect fit. Highly recommend!"Read more

Strong yet flexible and light weight. Don't buy an imitation, buy the Seiko strap.Read more

Great fit and finish, very durable and comfortable. Can’t beat it.Read more

I like how durable this is and how it compliments the watch.Read more

5 customers mention softness, 4 positive, 1 negative

Customers appreciate the softness of the watch band, with one customer noting its pliability.

Looks great, feels great. Way better then the bracelet it came on.Read more

Appears to be REAL Seiko, fits properly and feels soft and pliable like my original Monster band…Read more

…Came with a set of springbars and the straps are more pliable than a stock straps that comes with a SKX that have the same design.Read more

Just okay quaility. Not very soft or supple. Strap is way too long for a 7" wrist.Read more


Good strap.

5 out of 5 stars

Good strap.
Looks great, feels great. Way better then the bracelet it came on.

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  • Brett
    5.0 out of 5 stars

    Original seiko band

    Reviewed in Australia on January 12, 2026

    Has returned my seiko solar divers back to its former glory

  • gf
    5.0 out of 5 stars

    High quality – appears to be genuine

    Reviewed in Canada on September 5, 2019

    High quality band and pins. Appears to be genuine as opposed to many of the other bands being sold at lower prices. I order one of the cheaper ones previously and it was not near the same quality

  • Tim Elliott
    5.0 out of 5 stars

    The real thing

    Reviewed in the United Arab Emirates on February 16, 2024

    Finally…my Seiko monster – from nearly 20 years ago – looks like it did. Great strap, the real deal.

  • Paul Carlin
    5.0 out of 5 stars

    Just the job !

    Reviewed in the United Kingdom on May 7, 2018

    With our local high street jeweller wanting £84 to get and fit a replacement strap for my Seiko divers watch, this is a no brainer !
    1. It's a genuine Seiko strap.
    2.The strap is exactly what I had ordered and arrived quickly.
    3. The local Timpsons outside Sainsburys fitted it in 5 min and charged me a fiver.
    4. Make sure to check if your watch strap is 20mm or 22mm wide before ordering – I simply used a ruler.
    Ten out of ten, a gold star and I saved over £50 !





  • Ignacio Gordoa Fox
    5.0 out of 5 stars

    Como nuevo

    Reviewed in Mexico on January 24, 2025

    Igual a la original, el reemplazo perfecto.



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Product Summary: Seiko 4HX0JB Genuine "Monster" Diver Strap 20mm, Black Rubber

From SEIKO
Is Discontinued By Manufacturer ‏ : ‎ No
Package Dimensions ‏ : ‎ 5.91 x 1.5 x 0.67 inches; 0.71 ounces
Item model number ‏ : ‎ 4HX0JB
Department ‏ : ‎ Watch Bands
Date First Available ‏ : ‎ January 29, 2014
Manufacturer ‏ : ‎ Seiko
ASIN ‏ : ‎ B005FU5AVE
Product Warranty: For warranty information about this product, please click here
Best Sellers Rank: #1,070,860 in Clothing, Shoes & Jewelry (See Top 100 in Clothing, Shoes & Jewelry) #2,139 in Men’s Watch Bands
Customer Reviews: 4.4 4.4 out of 5 stars (185) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });

Seiko 4HX0JB Genuine “Monster” Diver Strap 20mm, Black Rubber
Seiko 4HX0JB Genuine “Monster” Diver Strap 20mm, Black Rubber

$ 47.98

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