• Deep Blue__Seiko Monster leather watch strap
  • Orange__Seiko Monster leather watch strap
  • Orange__Seiko Monster leather watch strap
  • Orange__Seiko Monster leather watch strap
  • Orange__Seiko Monster leather watch strap
  • Orange__Seiko Monster leather watch strap
  • Onyx__Seiko Monster leather watch strap
  • Onyx__Seiko Monster leather watch strap
  • Onyx__Seiko Monster leather watch strap
  • Onyx__Seiko Monster leather watch strap
  • Onyx__Seiko Monster leather watch strap
  • Deep Blue__Seiko Monster leather watch strap
  • Deep Blue__Seiko Monster leather watch strap
  • Deep Blue__Seiko Monster leather watch strap
  • Deep Blue__Seiko Monster leather watch strap
  • Deep Blue__Seiko Monster leather watch strap
  • Deep Blue__Seiko Monster leather watch strap
1 17
Rs. 3,450
Rs. 3,450
Liquid error (snippets/price line 128): divided by 0% OFF Sold out
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Deep Blue

Lug Width

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WHAT IS LUG WIDTH? (Click here to know more)

Measure your lug width before selecting a strap size.

× Lug Width Size Chart

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Watch Lifebook is your companion guide with a lug-width measuring template and the Watch Life philosophy.

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ITALIAN LEATHER Italian Epsom leather from the finest tannery

QUICK RELEASE Change your strap on your own

MICRO ADJUSTMENT Perfect Fit for all wrist sizes

6 MONTHS WARRANTY Assured World-Class Quality

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10/10 PRO - SEIKO MONSTER

10/10 PRO - SEIKO MONSTER

Italian Epsom Leather Watch Strap for SEIKO Monster

10/10 PRO - SEIKO MONSTER
Epsom Leather Diver Strap for Seiko Monster

Some watches don’t just need a special strap, they deserve one. The 10/10 PRO SERIES is our tribute to iconic timepieces, a collection of meticulously crafted watch-specific straps designed to be the perfect fit in every way. From materials to construction, every detail is chosen with precision to complement the watch it’s made for.

For the bold and battle-ready Seiko Monster, we’ve engineered a strap that matches its muscular proportions. The Monster’s heavy case and short, stubby lugs make standard 20mm straps look and feel out of place. So we designed ours with a custom L-cut at the corners, allowing it to flare out just enough to visually and physically balance the weight of the case.

Crafted from Italian Epsom leather which prized for its durability, water resistance, and excellent colour retention, this strap brings refined strength to one of the most recognisable divers out there. Tough, comfortable, and made to fit like a glove.

Built for the beast. Refined for the wrist. A 10/10 pairing.

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Orange__Seiko Monster leather watch strap

PRODUCT DETAILS

  • Wisecrafted to ensure great style, wearability and longevity.
  • Made with Real leather.
  • Skin-friendly and soft leather lining.
  • Pre-installed with 2.5mm specialist diver spring bar to ensure a robust and fail-safe, cohesive fit.
  • L shaped flare-cut for a flush fit on the Seiko Monster case.
  • Special brushed stainless steel buckles to match the watch case design.
  • Available in three colours, Orange, Deep Blue and Onyx.

SPECIFICATIONS

Sizes available 

  • Width - to fit Seiko Monsters from Gen1 to Gen4.
    20mm lug width that flares out to 24mm to match the heft of the watch case.
  • Length - 120 X 80mm, to fit all wrist sizes from 6 inches to 8 inches circumference

    Material
  • Upper - Italian Epsom leather
  • Lining - Sweat resistant real leather

Country of Origin

  • Material - Italy
  • Crafting - India
  • Metal Hardware - China

Note - Strap only. Watch not included.

COMPATIBILITY

Made to fit the Seiko Monster series of watches.
May fit other chunky and sporty watches with 20mm lug width only if the lug length and width matches the cut on the strap.


The 2.5mm spring bars too require a compatible hole size on the lugs.

RETURNS & EXCHANGES

We have a 7 day Returns & easy exchange policy.

If you are not satisfied with the product for any of the reasons mentioned below, you can return the product or exchange it with any other product on our easy exchange site dashboard.

Acceptable reasons for Return/Exchange :

  • Received an incorrect product.
  • Received a damaged product.
  • In the case of watch straps, if the strap's lug width does not match the lug width of your watch.

Returns & Exchange Dashboard

Products cannot be exchanged or returned if you do not like the product appearance, specification, style, or color.

For more information please check our Returns, Exchange & Refund Policy

View full details

Let customers speak for us

from 196 reviews

Excellent strap material. I generally don't prefer leather straps but this one fits great.

Additionally, the team went above and beyond to make additional request to arrange for a butterfly clasp.

Sahil
GRACE in Suede
Good

Nice quality

wanz
INTRO 2.0 PS
I am in love with this... even after 5 months of daily usage

Feels soft and doesn't pick a lot of dust or grime.

Shubham Deshmukh
INTRO 2.0 DS (Hand-stitched)
Top quality strap

I bought it for my Casio Analogue ice blue dial. The combinations works great.

Zodina
VIBE
Great quality

I ordered this strap for my Hamilton Murph.
The leather quality is great, and it really elevates the look of the watch.
10/10 would recommend.

Anonymous
ROCKSTAR
Elevating the Everyday: A Watch Strap That Surprised Me”

I recently upgraded to this watch strap and was genuinely impressed. The quality, the finish, and above all, the comfort—it completely transformed the way my watch feels and looks. It’s rare to find a strap that blends elegance with durability so well. Whether for everyday wear or a formal occasion, this one delivers on every front. Highly recommended for anyone looking to elevate their wrist game.

Suresh .
INTRO 2.0 DS (Hand-stitched)

Great quality

Akshit Bhagat
GRACE in Croc99
Great quality

Great quality, and fits my Garmin watch perfectly!

RS
INTRO PS
Sharktooth Single Pass NATO Strap – Simple, Strong, Stylish

The Sharktooth single pass NATO is easily one of the best strap upgrades I’ve made. It’s lightweight, sits flatter than traditional NATOs, and feels incredibly secure. The tight weave looks sharp and pairs perfectly with dive watches like my Invicta Pro Diver. Comfortable, durable, and sleek—it’s the perfect balance of form and function.

APS
THE ALLIANCE STRAP (SOLID)

The product is of high quality with an excellent finish. It fits well on my 7-inch wrist.

Anonymous
GRACE in Suede
elegant and classy

starps looks premium and authentic. but too pricey. you can get similar quality strap in much less price.

I liked this strap and will buy another one for my other watches as well.

Devendra
INDUS KHADI (SILK)

Superb quality and detailing on the strap, specially the red contrast colour on the inner side of the strap given and extra edge which elevates the esthetics of the watch

Madhur Patel
GRACE in Croc99

Nice quality

Roshan
THE ALLIANCE STRAP (STRIPED)

Superb quality and detailing on the strap, specially the red contrast colour on the inner side of the strap given and extra edge which elevates the esthetics of the watch

Madhur Patel
GRACE in Croc99

The strap was delivered within the promised timeframe and I found the strap to be of good quality. It looks great with my bronze field watch and I definitely recommend this product.

Niladri Mitra
THE ALLIANCE STRAP (SOLID)
Customers rate us 4.7/5 based on 196 reviews.

LIFE QUERIES a.k.a. FAQs

Why choose HEllO EDC watch straps?

Because details define the modern man.

At HEllO, we craft modern luxury gear for those who value quiet sophistication over loud statements. Each strap is precision-made from premium materials and designed to elevate both your watch and your everyday carry. It’s not just an accessory - it’s an extension of your style philosophy.

Are HEllO EDC watch straps made from genuine leather?

We believe in real leather - not marketing labels.

The term “genuine leather” often refers to low-grade, composite leather made from bonded scraps, which doesn’t necessarily mean high quality. At HEllO, every strap is crafted from single-skin, full-grain Italian or top-quality Indian leather, hand-finished for comfort, texture, and long-lasting strength. It’s the kind of leather that feels better, looks richer, and tells your story over time.

Do HEllO EDC straps fit all watch models?

Almost all.

Our Universal Watch Straps fit most timepieces with standard straight lugs and spring bars - from vintage mechanicals to modern quartz watches. For Apple Watch users, explore our Apple Watch Strap Collection, designed with built-in adapters for a seamless fit.

To ensure the perfect fit, measure your watch’s lug width - the distance between the two lugs where the strap attaches. Most watches range between 18mm and 24mm. You can measure it with a ruler or caliper, or look up your watch model’s specifications online. Once you know the size, simply select the same width from our collection.

How do I care for my leather watch strap?

Treat it like you would a fine pair of shoes.

Avoid excessive moisture and direct sunlight, and gently wipe your strap with a soft cloth after wear. Rotate your straps regularly to let them breathe and rest between uses.

At HEllO, our leathers are tested for longevity and resilience, ensuring they only get better with age. With proper care, a HEllO strap will last you years - gracefully developing a patina that’s uniquely yours.

For detailed care tips, explore our Watch Strap Care Guide.

Do HEllO EDC watch straps come with a warranty or guarantee?

Yes. Every HEllO strap comes with a 6-month warranty that covers manufacturing defects and workmanship issues. We stand by our craft - if something doesn’t feel right, we’ll make it right. Because true luxury isn’t just about how it looks - it’s about how it lasts.

SHOW MORE LIFE QUERIES