I can’t afford to buy a new watch every month like I want BUT thanks to Blu Shark I can get new straps all the time and it feels like I have a new watch!
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Finding the perfect strap or accessory for your watch can greatly enhance comfort and style. Our sizing guides help you measure your watch accurately, ensuring the best fit. Whether you have a traditional watch or an Apple Watch, we provide step-by-step instructions to determine the ideal strap size and watch lug width. With these guides, you can confidently choose the perfect straps and accessories to enhance your watch.
1) Open Our Sizing Guide Here. Download Here
2) Print File. In print options dialogue box, uncheck any “shrink oversized pages to fit” or “fit to page” boxes. *IMPORTANT!*
3) After printing, test the accuracy by measuring the “one inch” test strip with a standard ruler.
4) Cut off the inch ruler from the side and wrap around your wrist to determine your wrist size.
5) Hold your watch with the lugs framing the blocks below to determine your lug width. There should be no gap or overlap.
To determine your lug width, print the BluShark Watch Sizing Guide in step-1 and place your watch on the measuring blocks located on the bottom of the guide.
1) Open Our Apple Watch Sizing Guide Here. Download Here
2) Print File. In print options dialogue box, uncheck any “shrink oversized pages to fit” or “fit to page” boxes. *IMPORTANT!*

3) Cut out the tool. Position the wider end where you would wear a watch. For a more accurate measurement, you can use a piece of tape to hold the wider end in place.

4) Wrap the tool around your wrist, keeping it in place. Make sure the tool feels snug and doesn’t slide up or down.

5) Note the inch number the arrows point to – that’s your band size.

6) If the arrows land between two measurements, choose the smaller of the two numbers closest to the line.
To determine which size adapter you need, use the following guide:
If your Apple Watch is 42mm, 44mm, or 45mm, you’ll need an adapter that measures 22mm.
If your Apple Watch is 38mm or 40mm, you’ll need an adapter that measures 20mm.
If you have a 41mm Apple Watch, choose the 20mm adapter.
Unsure of your case size? You can usually find it on the back of your Apple Watch, near the sensor. Or, open the Apple Watch app on your iPhone, go to "My Watch" at the bottom, then tap General > About.
Not sure of your wrist size? Check our wrist size guide!
| Watch Model | Case Size | Order This Strap Size |
|---|---|---|
| Apple Watch (1st Gen) | 38mm | Small Watch |
| Apple Watch (1st Gen) | 42mm | Large Watch |
| Apple Watch Series 1 | 38mm | Small Watch |
| Apple Watch Series 1 | 42mm | Large Watch |
| Apple Watch Series 2 | 38mm | Small Watch |
| Apple Watch Series 2 | 42mm | Large Watch |
| Apple Watch Series 3 | 38mm | Small Watch |
| Apple Watch Series 3 | 42mm | Large Watch |
| Apple Watch Series 4 | 40mm | Small Watch |
| Apple Watch Series 4 | 44mm | Large Watch |
| Apple Watch Series 5 | 40mm | Small Watch |
| Apple Watch Series 5 | 44mm | Large Watch |
| Apple Watch Series 6 | 40mm | Small Watch |
| Apple Watch Series 6 | 44mm | Large Watch |
| Apple Watch SE (1st Gen) | 40mm | Small Watch |
| Apple Watch SE (1st Gen) | 44mm | Large Watch |
| Apple Watch Series 7 | 41mm | Small Watch |
| Apple Watch Series 7 | 45mm | Large Watch |
| Apple Watch Series 8 | 41mm | Small Watch |
| Apple Watch Series 8 | 45mm | Large Watch |
| Apple Watch SE (2nd Gen) | 40mm | Small Watch |
| Apple Watch SE (2nd Gen) | 44mm | Large Watch |
| Apple Watch Series 9 | 41mm | Small Watch |
| Apple Watch Series 9 | 45mm | Large Watch |
| Apple Watch Series 10 | 42mm | Small Watch |
| Apple Watch Series 10 | 46mm | Large Watch |
| Apple Watch Series 11 | 42mm | Small Watch |
| Apple Watch Series 11 | 46mm | Large Watch |
| Apple Watch Series SE 3 | 40mm | Small Watch |
| Apple Watch Series SE 3 | 44mm | Large Watch |
| Apple Watch Series 12 | 46mm | Large Watch |
| Apple Watch Series 12 | 42mm | Small Watch |
| Apple Watch Ultra | 49mm | Ultra Strap |
| Apple Watch Ultra 2 | 49mm | Ultra Strap |
| Apple Watch Ultra 3 | 49mm | Ultra Strap |
| Apple Watch Ultra 4 | 49mm | Ultra Strap |
Note: While the Camo straps share the same material, hardware, and thickness as the rest of our Original Collection, they feature a few key differences:
• Length: At 11.8", they’re 0.8" longer than other Original straps, providing more tail for a classic military-style tuck.
• Keepers: A sliding keeper has been added to make tucking easier and to help secure the extra length.
By choosing this set, you’re investing in four of our must-have CAMO double-pass styles, all for a fraction of the cost. Each strap showcases a vibrant printed camo pattern layered over our signature original nylon. Whether you're into outdoor adventures or simply looking to add a rugged edge to your style, the BluShark Original Camo straps are here to transform your watch. These versatile camo patterns are designed to complement a variety of watches, from field and tactical timepieces to sportier dive watches.
Bundles are not eligible for buy X, get Y discounts or holiday sales.
Orders ship from our Tucson, AZ warehouse. US orders deliver fast with free shipping on $50+ and low-cost standard options; international shipping is available via UPS and DHL with full tracking.
For complete details, please visit our Shipping policy page.
We offer Free Returns with pre-paid return labels! Items can be returned or exchanged within 30 days if unused. Discounted or worn products may not qualify, and refunds for bundle deals are adjusted accordingly.
For full details, please visit our Return Policy page.
All straps are covered against manufacturing defects for life. If you experience a defect, simply contact us with your order details for a free replacement. Normal wear, misuse, and cosmetic aging are not covered.
For full details, please visit our Guarantee Policy Page
Overall rating: 4.8 / 5 from 2612 reviews.
I can’t afford to buy a new watch every month like I want BUT thanks to Blu Shark I can get new straps all the time and it feels like I have a new watch!
Justin M. 5/5 Verified
Blue red is awesome, with black PVD to match the ceramic bezel.
Francisco M. 5/5 Verified
Perfect for a turtle build. Old school dial, 22mm, blue/red matches perfectly. And, the black matches the insert. NICE WORK, GUYS!
Francisco M. 5/5 Verified
Army strap for my nephew 17, joined the army. Building him an heiloom watch based on NH35, green dial, and gunmetal willard case, to last him a lifetime. Proud uncle.
Francisco M. 5/5 Verified
Great strap
Cody D. 5/5 Verified
These are my favorite watch straps, I have two of the NATO's and one of the mesh ones on the way.
Jason W. 5/5 Verified
Nice military looking strap
Ethan A. 5/5 Verified
Nice beach vibe
Ethan A. 5/5 Verified
I like the older style hardware. Comfortable strap
Ethan A. 5/5 Verified
Comfortable with nice colors
Ethan A. 5/5 Verified
I have struggled to find straps I feel truly compliment the Black No Date Seamaster. I think this one nails it and looks classy. The polished hardware is very nice.
Kevin C. 5/5
These are excellent, I have another one coming.
Jason 5/5 Verified
I am not a big man so the band was just way too big for me. I have several watch bands but this one was a good inch longer than the others.
Daniel O. 2/5 Verified
.NGISED EHT EVOL,PARTS ECIN
Richard B. 5/5 Verified
Love this strap! Wear it often.
Edward H. 5/5 Verified
A great strap. Well made. Fits my watch. As advertised.
Melanie J. 5/5 Verified
Love the length and pattern on this strap.
Calen S. 5/5 Verified
Great product!!
Andres R. 5/5 Verified
The aqua blue is stunning and pairs quite well with the lume on my Certina's dial. That's the big reason I got this strap and it does not disappoint in that regard. The only reason I docked a star is I am spoiled on the Orca and the Alphapremier. Other than that, it's close to perfect.
Molly 4/5
It was slightly thinner nylon than I expected, but overall very nice. Looking for a 18mm version.
Steven J. 4/5 Verified
Looks stunning with my titanium citizen diver!
William F. 5/5 Verified
Fantastic watch strap for a tremendous value
William F. 5/5 Verified
Y’all are terrific
William F. 5/5 Verified
This strap looks great on my Bertucci Field Watch, gives it a regimental military look. Love it! Keep Going!
David M. 5/5 Verified
Great strap! Looks great on the wrist and feels comfortable. Love the color way… matches with any color dial. Highly recommend
Benny C. 5/5 Verified
Love the watch strap. Fits perfect. Love how it feels.
Adam P. 5/5 Verified
Love this NATO strap on my SKX009J. Really compliments the Pepsi dial. The strap quality is great and wears comfortable on the wrist. Would definitely recommend !
Harun T. 5/5 Verified
Beautiful!
Arslan A. 5/5 Verified
Great straps
Robert L. 5/5 Verified
Goes Perfect with my Casio Duro Blue Dial watch. It really has an understated Bond vibe to it. Love it. Thanks David
David M. 5/5 Verified
hi
Tom 2/5
hi
Tom 1/5
hii
Tom 2/5
Great band
Robert L. 5/5 Verified
Awesome and great looking I will be buying more
Robert L. 5/5 Verified
Matches my Alpina Seastrong GMT perfectly
Nick B. 5/5 Verified
Perfect Match. Thanks
Alan M. 5/5 Verified
This watch is a strap monster
Richard G. 5/5 Verified
Great products
Kristopher L. 5/5 Verified
My favorite strap for my newest watch!
Noah G. 5/5 Verified
Overall rating: 4.8 / 5 from 2612 reviews.
I can’t afford to buy a new watch every month like I want BUT thanks to Blu Shark I can get new straps all the time and it feels like I have a new watch!
Justin M. 5/5 Verified
Blue red is awesome, with black PVD to match the ceramic bezel.
Francisco M. 5/5 Verified
Perfect for a turtle build. Old school dial, 22mm, blue/red matches perfectly. And, the black matches the insert. NICE WORK, GUYS!
Francisco M. 5/5 Verified
Army strap for my nephew 17, joined the army. Building him an heiloom watch based on NH35, green dial, and gunmetal willard case, to last him a lifetime. Proud uncle.
Francisco M. 5/5 Verified
Great strap
Cody D. 5/5 Verified
These are my favorite watch straps, I have two of the NATO's and one of the mesh ones on the way.
Jason W. 5/5 Verified
Nice military looking strap
Ethan A. 5/5 Verified
Nice beach vibe
Ethan A. 5/5 Verified
I like the older style hardware. Comfortable strap
Ethan A. 5/5 Verified
Comfortable with nice colors
Ethan A. 5/5 Verified
I have struggled to find straps I feel truly compliment the Black No Date Seamaster. I think this one nails it and looks classy. The polished hardware is very nice.
Kevin C. 5/5
These are excellent, I have another one coming.
Jason 5/5 Verified
I am not a big man so the band was just way too big for me. I have several watch bands but this one was a good inch longer than the others.
Daniel O. 2/5 Verified
.NGISED EHT EVOL,PARTS ECIN
Richard B. 5/5 Verified
Love this strap! Wear it often.
Edward H. 5/5 Verified
A great strap. Well made. Fits my watch. As advertised.
Melanie J. 5/5 Verified
Love the length and pattern on this strap.
Calen S. 5/5 Verified
Great product!!
Andres R. 5/5 Verified
The aqua blue is stunning and pairs quite well with the lume on my Certina's dial. That's the big reason I got this strap and it does not disappoint in that regard. The only reason I docked a star is I am spoiled on the Orca and the Alphapremier. Other than that, it's close to perfect.
Molly 4/5
It was slightly thinner nylon than I expected, but overall very nice. Looking for a 18mm version.
Steven J. 4/5 Verified
Looks stunning with my titanium citizen diver!
William F. 5/5 Verified
Fantastic watch strap for a tremendous value
William F. 5/5 Verified
Y’all are terrific
William F. 5/5 Verified
This strap looks great on my Bertucci Field Watch, gives it a regimental military look. Love it! Keep Going!
David M. 5/5 Verified
Great strap! Looks great on the wrist and feels comfortable. Love the color way… matches with any color dial. Highly recommend
Benny C. 5/5 Verified
Love the watch strap. Fits perfect. Love how it feels.
Adam P. 5/5 Verified
Love this NATO strap on my SKX009J. Really compliments the Pepsi dial. The strap quality is great and wears comfortable on the wrist. Would definitely recommend !
Harun T. 5/5 Verified
Beautiful!
Arslan A. 5/5 Verified
Great straps
Robert L. 5/5 Verified
Goes Perfect with my Casio Duro Blue Dial watch. It really has an understated Bond vibe to it. Love it. Thanks David
David M. 5/5 Verified
hi
Tom 2/5
hi
Tom 1/5
hii
Tom 2/5
Great band
Robert L. 5/5 Verified
Awesome and great looking I will be buying more
Robert L. 5/5 Verified
Matches my Alpina Seastrong GMT perfectly
Nick B. 5/5 Verified
Perfect Match. Thanks
Alan M. 5/5 Verified
This watch is a strap monster
Richard G. 5/5 Verified
Great products
Kristopher L. 5/5 Verified
My favorite strap for my newest watch!
Noah G. 5/5 Verified