18mm Watch Strap Collection

18mm Watch Straps

18mm suits lots of classic and vintage men's watches and many women's watches, usually with cases around 36–39mm.

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538 products

Burgundy Mayfair Lizard watch strap, laid flat with its buckle
Mayfair Lizard Burgundy Watch Strap
Sale price£19

7 colour options
Gold or silver buckle

Patent Crocodile Black Watch Strap
Patent Crocodile Black Watch Strap
Sale price£17

2 colour options
Gold or silver buckle

Bestseller
Cream Unstitched Smooth Genuine Leather Watch Strap 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm
Windsor Smooth Cream Watch Strap
Sale price£16

18 colour options
Gold or silver buckle

Quick Release
Windsor Smooth Quick Release Red Watch Strap
Windsor Smooth Quick Release Red Watch Strap
Sale price£18

7 colour options
Gold or silver buckle

Quick Release
A navy blue silicone watch strap with a silver buckle laid out flat on a white background.
Bare Quick Release Navy Watch Strap
Sale price£18

13 colour options
Gold or silver buckle

Quick Release
Windsor Smooth Quick Release Black Watch Strap
Windsor Smooth Quick Release Black Watch Strap
Sale price£18

7 colour options
Gold or silver buckle

Bestseller
Blue Unstitched Smooth Genuine Leather Watch Strap 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm
Windsor Smooth Blue Watch Strap
Sale price£16

18 colour options
Gold or silver buckle

Bestseller
White Unstitched Smooth Genuine Leather Watch Strap 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm
Windsor Smooth White Watch Strap
Sale price£16

18 colour options
Gold or silver buckle

Buffalo Value Blue Watch Strap
Buffalo Value Blue Watch Strap
Sale price£14

6 colour options
Gold or silver buckle

Buffalo Value Black Watch Strap
Buffalo Value Black Watch Strap
Sale price£14

6 colour options
Gold or silver buckle

XXX Long
Windsor Heavy XXL Brown Watch Strap
Windsor Heavy XXL Brown Watch Strap
Sale price£26

2 colour options
Gold or silver buckle

Bestseller
Brown Unstitched Smooth Genuine Leather Watch Strap 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm
Windsor Smooth Brown Watch Strap
Sale price£16

18 colour options
Gold or silver buckle

Bestseller
Light Pink Unstitched Smooth Leather Watch Strap 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm
Windsor Smooth Light Pink Watch Strap
Sale price£16

18 colour options
Gold or silver buckle

XXX Long
Windsor XXXL Brown Watch Strap
Windsor XXXL Brown Watch Strap
Sale price£22

2 colour options
Gold or silver buckle

Timeless classic brown leather watch strap featuring a square end, enhanced with soft nubuck lining. Available in 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm
Mayfair Subtle Brown Watch Strap
Sale price£18

8 colour options
Gold or silver buckle

Extra Long
Buffalo Value XL Tan Watch Strap
Buffalo Value XL Tan Watch Strap
Sale price£16

6 colour options
Gold or silver buckle

SustainableVegan
Natural Cork Tan Watch Strap
Natural Cork Tan Watch Strap
Sale price£22

2 colour options
Gold or silver buckle

Metallic Gold Watch Strap
Metallic Gold Watch Strap
Sale price£26

2 colour options
Gold or silver buckle

Brown Mayfair Super watch strap, laid flat with its buckle
Mayfair Super Brown Watch Strap
Sale price£24

3 colour options
Gold or silver buckle

Green Mayfair Contour watch strap, laid flat with its buckle
Mayfair Contour Green Watch Strap
Sale price£22

7 colour options
Gold or silver buckle

Quick Release
A black silicone watch strap with a silver buckle on a white background.
Bare Quick Release Black Watch Strap
Sale price£18

13 colour options
Gold or silver buckle

Extra Long
Buffalo Value XL Black Watch Strap
Buffalo Value XL Black Watch Strap
Sale price£16

6 colour options
Gold or silver buckle

Bestseller
Purple Unstitched Smooth Genuine Leather Watch Strap 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm
Windsor Smooth Purple Watch Strap
Sale price£16

18 colour options
Gold or silver buckle

Extra Long
Windsor Smooth XL Black Watch Strap
Windsor Smooth XL Black Watch Strap
Sale price£18

8 colour options
Gold or silver buckle

Dark Blue Mayfair Alligator watch strap, laid flat with its buckle
Mayfair Alligator Dark Blue Watch Strap
Sale price£28

10 colour options
Gold or silver buckle

Sandbanks Tweed Black Watch Strap
Sandbanks Tweed Black Watch Strap
Sale price£26

3 colour options
Gold or silver buckle

Bestseller
Red Unstitched Smooth Genuine Leather Watch Strap 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm
Windsor Smooth Red Watch Strap
Sale price£16

18 colour options
Gold or silver buckle

Bestseller
Pink Unstitched Smooth Genuine Leather Watch Strap 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm
Windsor Smooth Pink Watch Strap
Sale price£16

18 colour options
Gold or silver buckle

Morellato tiepolo brown alligator grain leather watch strap with a silver buckle, displayed flat on a white background.
Tiepolo Alligator Grain Brown Watch Strap
Sale price£39

5 colour options
Gold or silver buckle

Extra Long
Buffalo Value XL Brown Watch Strap
Buffalo Value XL Brown Watch Strap
Sale price£16

6 colour options
Gold or silver buckle

18mm Watch Strap Questions

18mm is one of our biggest ranges, with over 500 straps. Most are leather, from smooth calf to alligator, croc and lizard grain, alongside handmade straps for something special. For everyday wear and the outdoors, nylon and military-style straps are hard-wearing, and waterproof options cope with swimming and the gym. If you swap straps often, our quick release straps change in seconds without a tool.

Not sure 18mm is right? Measure between the lugs where the strap attaches. Our guide to measuring a watch strap shows you how. Between sizes? Have a look at 17mm, 19mm or 20mm.

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