20mm Watch Strap Collection

20mm Watch Straps

20mm is the most common lug width on men's watches, usually with cases around 38–42mm. Our quick release versions swap in seconds without tools.

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586 products

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

18 colour options
Gold or silver buckle

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

6 colour options
Gold or silver buckle

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

7 colour options
Gold or silver buckle

Black Curved End Alligator Grain Leather Watch Strap 18m, 20mm, 22mm & 24mm
Alligator Curved Black Watch Strap
Sale price£32

2 colour options
Gold or silver buckle

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

2 colour options
Gold or silver buckle

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

18 colour options
Gold or silver buckle

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

3 colour options
Gold or silver buckle

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

8 colour options
Gold or silver buckle

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

6 colour options
Gold or silver buckle

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

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

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

2 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
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
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

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

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

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

XXX Long
Windsor XXXL Brown Watch Strap
Windsor XXXL Brown 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

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

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

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

20mm Watch Strap Questions

Most of our 20mm range is leather, from smooth calf and suede to croc and alligator grain, so there's something for a dress watch and something for every day. If you like to switch your look, our quick release straps change in seconds without a tool. For the gym, the beach or a wet walk, silicone and nylon cope with water and sweat. And if a standard strap doesn't quite reach, try an extra long version. You can also browse all our men's watch straps or ladies' watch straps.

Not sure 20mm is right? Measure between the lugs where the strap attaches. Our guide to measuring a watch strap shows you how, and which way round a strap goes covers fitting it. Between sizes? Have a look at 19mm, 21mm or 22mm.

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