Compatibility Notice:
Please note, the HydroLock buckle is not compatible with ZULUDIVER OctoPod watch straps.
"NEW OLD STOCK" - LIMITED AVAILABILITY
Exclusive Black Friday New Old Stock (NOS) – This product has never been worn or used and is in its original condition, making it the perfect addition for collectors and enthusiasts.
Our HydroLock buckle sets a new standard for both style and functionality. Its design boasts a captivating combination of four different metal finishes. The deep-etched ZULUDIVER logo serves as a hallmark of quality, ensuring you're in possession of the very best.
But that's not all - we've designed the HydroLock buckle with your comfort in mind. With six micro-adjustment holes, you can achieve a perfectly tailored fit, guaranteeing maximum comfort for your wrist. Whether you're replacing the standard buckle or enhancing the performance of our renowned ZULUDIVER 300 and 400 rubber diver's watch straps, the HydroLock buckle is your go-to choice.
Measuring approximately 40mm in total length, this buckle is versatile, offering both form and function in one sleek package. Dive in with confidence, and let the HydroLock be your trusty companion on your next underwater expedition!
Available Finishes
Brushed and Polished: This finish combines a sleek, matte brushed surface with shiny polished edges and a recessed logo plate. It provides a balanced look that complements both modern and classic watch designs. This finish is ideal for those who appreciate subtle sophistication and it pairs well with brushed or mixed-finish watch cases, adding a touch of elegance without overpowering the overall aesthetic.
Full Mirror Polish: The full mirror polish finish is the epitome of luxury and refinement. With its high-gloss, reflective surface, this finish gives a sense of high-end craftsmanship. Perfect for formal or dress watches, it matches seamlessly with high-polish watch cases, creating a striking appearance.
Sandblasted: The sandblasted finish offers a unique, matte texture that stands out for its understated, rugged charm. It’s particularly suitable for tool watches or those with a sporty, utilitarian design. This finish complements matte or bead-blasted watch cases, providing a robust and cohesive look.
Black: Our PVD Black finish features a sleek, modern black coating applied through Physical Vapor Deposition (PVD) technology. This finish is ideal for contemporary watch designs and adds a bold, stylish edge to any watch. It pairs exceptionally well with black or dark-toned watch cases, enhancing the overall stealthy, sophisticated aesthetic.
Antique Bronze Effect: Our PVD Antique Bronze effect finish provides a distinctive, aged look that adds character and heritage. It’s perfect for vintage-inspired or heritage watches, giving them an authentic, timeless appeal. This finish pairs beautifully with bronze or similarly aged watch cases, enhancing the overall vintage vibe and adding a unique touch to your watch.
| Adjustment | 6 Micro holes, range 15mm |
|---|---|
| Clasp Material | Saltwater resistant 316 Stainless Steel |
| Length | 40mm |
| Thickness | 6.8mm |
| Watch Strap Thickness | 4 - 5mm |
| Weight | 23g |
We ship internationally all over the world. Please see below for the shipping information for your country.
Hassle free returns within 30 days from purchase. Please see the Frequently Asked Questions page for more information
Tracked
Express Tracked
Country
Under £20.00
Over £20.00
Days
Under £100.00
Over £100.00
Days
United Kingdom
£4.99
Free
2-5
£9.99
Free
1-2
Tracked
Express Tracked
Country
Up To £50.00
Days
Under £200.00
Over £200.00
Days
Guernsey
£4.99
3-7
£9.99
Free
1-2
Isle of Man
£4.99
3-7
£9.99
Free
1-2
Jersey
£4.99
3-7
£9.99
Free
1-2
Economy
Tracked
Express Tracked
Country
€
Days
€
Days
€
Days
Belgium
Free*
7-20
€5.99
7-10
€24.99
1-3
Denmark
-
-
€5.99
7-10
€24.99
1-3
Estonia
-
-
€5.99
7-10
€24.99
1-3
Finland
-
-
€5.99
7-10
€24.99
1-3
France
Free*
7-20
€5.99
7-10
€24.99
1-3
Germany
Free*
7-20
€5.99
7-10
€24.99
1-3
Ireland
-
-
€5.99
7-10
€24.99
1-3
Italy
Free*
7-20
€5.99
7-10
€24.99
1-3
Luxembourg
-
-
€5.99
7-10
€24.99
1-3
Netherlands
Free*
7-20
€5.99
7-10
€24.99
1-3
Portugal
-
-
€5.99
7-10
€24.99
1-3
Spain
Free*
7-20
€5.99
7-10
€24.99
1-3
Sweden
-
-
€5.99
7-10
€24.99
1-3
Tracked
Express Tracked
Country
$
Days
$
Days
Austria
€5.99
7-10
€24.99
1-3
Bulgaria
-
-
€24.99
1-3
Croatia
-
-
€24.99
1-3
Cyprus
€5.99
7-10
€24.99
1-3
Czechia
-
-
€24.99
1-3
Gibraltar
-
-
€24.99
1-3
Greece
-
-
€24.99
1-3
Hungary
-
-
€24.99
1-3
Latvia
-
-
€24.99
1-3
Lithuania
-
-
€24.99
1-3
Malta
€5.99
7-10
€24.99
1-3
Monaco
-
-
€24.99
1-3
Poland
-
-
€24.99
1-3
Romania
-
-
€24.99
1-3
Slovakia
-
-
€24.99
1-3
Slovenia
-
-
€24.99
1-3
Tracked
Express Tracked
Country
€
Days
€
Days
Norway
€5.99
7-10
€24.99
1-3
Switzerland
€5.99
7-10
€24.99
1-3
Tracked
Express Tracked
Country
$
Days
$
Days
United States
$12.99
5-15
$39.99
5-7
Tracked
Express Tracked
Country
£
Days
£
Days
Australia
£5.99
10-20
£19.99
3-4
Canada
£9.99
7-10
£24.99
1-3
Tracked
Express Tracked
Country
£
Days
£
Days
Argentina
-
-
-
-
Bahrain
-
-
£39.99
2-11
Brazil
-
-
-
-
Chile
-
-
-
-
China
-
-
-
-
Hong Kong
£6.99
7-10
£24.99
3-4
Iceland
£6.99
7-10
£24.99
1-3
India
-
-
-
-
Indonesia
-
-
£39.99
2-11
Israel
-
-
-
-
Japan
£6.99
7-10
£24.99
1-3
Jordan
-
-
-
-
Kuwait
-
-
£39.99
2-11
Macao Sar
-
-
-
-
Malaysia
-
-
£39.99
2-11
New Zealand
-
-
£24.99
3-4
Qatar
-
-
£39.99
2-11
Philippines
-
-
£39.99
2-11
Saudi Arabia
-
-
£39.99
2-11
Singapore
£6.99
7-10
£24.99
3-4
South Korea
£6.99
7-10
£24.99
1-3
South Africa
-
-
£39.99
2-11
Sri Lanka
-
-
-
-
Taiwan
£6.99
7-10
£24.99
1-3
United Arab Emirates
-
-
£39.99
2-11
Express Tracked
Country
£
Days
Rest of the World*
£39.99
2-11
Compatibility Notice:
Please note, the HydroLock buckle is not compatible with ZULUDIVER OctoPod watch straps.
"NEW OLD STOCK" - LIMITED AVAILABILITY
Exclusive Black Friday New Old Stock (NOS) – This product has never been worn or used and is in its original condition, making it the perfect addition for collectors and enthusiasts.
Our HydroLock buckle sets a new standard for both style and functionality. Its design boasts a captivating combination of four different metal finishes. The deep-etched ZULUDIVER logo serves as a hallmark of quality, ensuring you're in possession of the very best.
But that's not all - we've designed the HydroLock buckle with your comfort in mind. With six micro-adjustment holes, you can achieve a perfectly tailored fit, guaranteeing maximum comfort for your wrist. Whether you're replacing the standard buckle or enhancing the performance of our renowned ZULUDIVER 300 and 400 rubber diver's watch straps, the HydroLock buckle is your go-to choice.
Measuring approximately 40mm in total length, this buckle is versatile, offering both form and function in one sleek package. Dive in with confidence, and let the HydroLock be your trusty companion on your next underwater expedition!
Available Finishes
Brushed and Polished: This finish combines a sleek, matte brushed surface with shiny polished edges and a recessed logo plate. It provides a balanced look that complements both modern and classic watch designs. This finish is ideal for those who appreciate subtle sophistication and it pairs well with brushed or mixed-finish watch cases, adding a touch of elegance without overpowering the overall aesthetic.
Full Mirror Polish: The full mirror polish finish is the epitome of luxury and refinement. With its high-gloss, reflective surface, this finish gives a sense of high-end craftsmanship. Perfect for formal or dress watches, it matches seamlessly with high-polish watch cases, creating a striking appearance.
Sandblasted: The sandblasted finish offers a unique, matte texture that stands out for its understated, rugged charm. It’s particularly suitable for tool watches or those with a sporty, utilitarian design. This finish complements matte or bead-blasted watch cases, providing a robust and cohesive look.
Black: Our PVD Black finish features a sleek, modern black coating applied through Physical Vapor Deposition (PVD) technology. This finish is ideal for contemporary watch designs and adds a bold, stylish edge to any watch. It pairs exceptionally well with black or dark-toned watch cases, enhancing the overall stealthy, sophisticated aesthetic.
Antique Bronze Effect: Our PVD Antique Bronze effect finish provides a distinctive, aged look that adds character and heritage. It’s perfect for vintage-inspired or heritage watches, giving them an authentic, timeless appeal. This finish pairs beautifully with bronze or similarly aged watch cases, enhancing the overall vintage vibe and adding a unique touch to your watch.
| Adjustment | 6 Micro holes, range 15mm |
|---|---|
| Clasp Material | Saltwater resistant 316 Stainless Steel |
| Length | 40mm |
| Thickness | 6.8mm |
| Watch Strap Thickness | 4 - 5mm |
| Weight | 23g |
We ship internationally all over the world. Please see below for the shipping information for your country.
Hassle free returns within 30 days from purchase. Please see the Frequently Asked Questions page for more information
Tracked
Express Tracked
Country
Under £20.00
Over £20.00
Days
Under £100.00
Over £100.00
Days
United Kingdom
£4.99
Free
2-5
£9.99
Free
1-2
Tracked
Express Tracked
Country
Up To £50.00
Days
Under £200.00
Over £200.00
Days
Guernsey
£4.99
3-7
£9.99
Free
1-2
Isle of Man
£4.99
3-7
£9.99
Free
1-2
Jersey
£4.99
3-7
£9.99
Free
1-2
Economy
Tracked
Express Tracked
Country
€
Days
€
Days
€
Days
Belgium
Free*
7-20
€5.99
7-10
€24.99
1-3
Denmark
-
-
€5.99
7-10
€24.99
1-3
Estonia
-
-
€5.99
7-10
€24.99
1-3
Finland
-
-
€5.99
7-10
€24.99
1-3
France
Free*
7-20
€5.99
7-10
€24.99
1-3
Germany
Free*
7-20
€5.99
7-10
€24.99
1-3
Ireland
-
-
€5.99
7-10
€24.99
1-3
Italy
Free*
7-20
€5.99
7-10
€24.99
1-3
Luxembourg
-
-
€5.99
7-10
€24.99
1-3
Netherlands
Free*
7-20
€5.99
7-10
€24.99
1-3
Portugal
-
-
€5.99
7-10
€24.99
1-3
Spain
Free*
7-20
€5.99
7-10
€24.99
1-3
Sweden
-
-
€5.99
7-10
€24.99
1-3
Tracked
Express Tracked
Country
$
Days
$
Days
Austria
€5.99
7-10
€24.99
1-3
Bulgaria
-
-
€24.99
1-3
Croatia
-
-
€24.99
1-3
Cyprus
€5.99
7-10
€24.99
1-3
Czechia
-
-
€24.99
1-3
Gibraltar
-
-
€24.99
1-3
Greece
-
-
€24.99
1-3
Hungary
-
-
€24.99
1-3
Latvia
-
-
€24.99
1-3
Lithuania
-
-
€24.99
1-3
Malta
€5.99
7-10
€24.99
1-3
Monaco
-
-
€24.99
1-3
Poland
-
-
€24.99
1-3
Romania
-
-
€24.99
1-3
Slovakia
-
-
€24.99
1-3
Slovenia
-
-
€24.99
1-3
Tracked
Express Tracked
Country
€
Days
€
Days
Norway
€5.99
7-10
€24.99
1-3
Switzerland
€5.99
7-10
€24.99
1-3
Tracked
Express Tracked
Country
$
Days
$
Days
United States
$12.99
5-15
$39.99
5-7
Tracked
Express Tracked
Country
£
Days
£
Days
Australia
£5.99
10-20
£19.99
3-4
Canada
£9.99
7-10
£24.99
1-3
Tracked
Express Tracked
Country
£
Days
£
Days
Argentina
-
-
-
-
Bahrain
-
-
£39.99
2-11
Brazil
-
-
-
-
Chile
-
-
-
-
China
-
-
-
-
Hong Kong
£6.99
7-10
£24.99
3-4
Iceland
£6.99
7-10
£24.99
1-3
India
-
-
-
-
Indonesia
-
-
£39.99
2-11
Israel
-
-
-
-
Japan
£6.99
7-10
£24.99
1-3
Jordan
-
-
-
-
Kuwait
-
-
£39.99
2-11
Macao Sar
-
-
-
-
Malaysia
-
-
£39.99
2-11
New Zealand
-
-
£24.99
3-4
Qatar
-
-
£39.99
2-11
Philippines
-
-
£39.99
2-11
Saudi Arabia
-
-
£39.99
2-11
Singapore
£6.99
7-10
£24.99
3-4
South Korea
£6.99
7-10
£24.99
1-3
South Africa
-
-
£39.99
2-11
Sri Lanka
-
-
-
-
Taiwan
£6.99
7-10
£24.99
1-3
United Arab Emirates
-
-
£39.99
2-11
Express Tracked
Country
£
Days
Rest of the World*
£39.99
2-11