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20mm Watch Straps

Find 20mm watch straps in a mix of styles, from classic silicone to bold colours. Brands such as Reflex Active, Sekonda, Casio and Lorus offer interchangeable designs, smart watch ready features and options for sport or everyday looks. Switch up your watch and let your wrist do the talking.

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442 products
Casio Digital Display Black Resin Strap Watch
Rating 4.7 out of 5, from 3542 reviews
£13.00

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Casio Unisex Analogue White Dial Black Resin Strap Watch
Rating 4.7 out of 5, from 1588 reviews
£12.00

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2 Colours available
Reflex Active Grey Smart Watch With Silicone Strap
Rating 3.3 out of 5, from 218 reviews
Save £10.00
From
£15.00
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Casio Power LCD Digital Black Resin Strap Watch
Rating 4.7 out of 5, from 2671 reviews
Save Over £3.00
£18.00

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Constant Ladies White Dial Black Strap Watch
Rating 4.4 out of 5, from 1866 reviews
£8.00

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Sekonda Fitness Tracker Pink Silicone Strap Smart Watch
Rating 4.4 out of 5, from 172 reviews
Save £5.00
£34.99

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INFO exclusive
Limit Men's Glow Dial Black Faux Leather Strap Watch
Rating 4.5 out of 5, from 991 reviews
£10.00

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Casio Alarm And Black Resin Strap Watch
Rating 4.6 out of 5, from 481 reviews
Save Over £3.00
£16.00

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Reflex Active Corrus Pink Strap Calling Smart Watch
Rating 4.1 out of 5, from 126 reviews
Save 20%
£19.99

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INFO exclusive
Limit Easy Read Green Silicone Strap Watch
Rating 4.6 out of 5, from 618 reviews
£8.00

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Reflex Active Corrus Black Strap Calling Smart Watch
Rating 4.1 out of 5, from 125 reviews
Save Over £4.00
£20.00

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Casio Black Resin Strap Watch
Rating 4.6 out of 5, from 2038 reviews
£23.00

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Radley Petite Case Pink Leather Strap Calling Smart Watch
Rating 4.3 out of 5, from 35 reviews
Our Lowest Price Ever
£60.00

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Lorus Men's Lumibrite Grey Fabric Web Strap Watch
Rating 4.6 out of 5, from 1761 reviews
£35.00

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Casio Grey Dial Black Strap Digital Watch
Rating 4.8 out of 5, from 65 reviews
£30.00

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INFO exclusive
Limit Ladies Purple Faux Leather Strap Watch
Rating 4.6 out of 5, from 1098 reviews
Save 20%
£9.99

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INFO exclusive
Sekonda Ladies Black Leather Strap Watch
Rating 4.7 out of 5, from 149 reviews
Save Over £4.00
£20.00

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Casio Pink Resin Strap Watch
Rating 4.8 out of 5, from 491 reviews
£16.00

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Casio Orange Resin Strap Watch
Rating 4.8 out of 5, from 179 reviews
Save Over £2.00
£12.00

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Casio Retro Blue Resin Strap Watch
Rating 4.7 out of 5, from 302 reviews
£16.00

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INFO exclusive
Limit Easy Read Black Silicone Strap Watch
Rating 4.6 out of 5, from 618 reviews
£8.00

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Casio G-SHOCK Men's Black Resin Strap Watch
Rating 4.8 out of 5, from 705 reviews
£100.00

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INFO exclusive
Limit Ladies Glow Dial Gold Plated Strap Watch
Rating 4.7 out of 5, from 850 reviews
£10.00

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INFO exclusive
Limit Men's Brown Faux Leather Strap Watch
Rating 4.6 out of 5, from 460 reviews
£14.00

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Casio Wave Ceptor LCD Digital Black Resin Strap Watch
Rating 4.7 out of 5, from 533 reviews
£35.00

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Lorus Ladies Brown Leather Strap Watch
Rating 4.6 out of 5, from 867 reviews
Save Over £4.00
£25.00

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Casio Blue Digital Resin Strap Watch
Rating 4.8 out of 5, from 181 reviews
£25.00

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Timex Ladies Black Leather Strap Watch
Rating 4.7 out of 5, from 459 reviews
£26.99

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Casio Blue Resin Strap Watch
Rating 4.7 out of 5, from 424 reviews
Save Over £2.00
£12.00

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Reflex Active Spectra Amoled Blue Strap Calling Smart Watch
Rating 4.4 out of 5, from 197 reviews
Save Over £4.00
£35.00

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Tikkers Kids Series13 Smart Interchangeable Strap Watch
Rating 4.6 out of 5, from 53 reviews
Save £5.00
£25.00

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Constant Quartz Men's Black Faux Leather Strap Watch
Rating 4.2 out of 5, from 937 reviews
£8.00

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Casio Unisex Analogue Black Dial Black Resin Strap Watch
Rating 4.7 out of 5, from 457 reviews
£15.00

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Casio World Time LCD Black Resin Strap Watch
Rating 4.7 out of 5, from 446 reviews
£23.00

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Casio Telememo Digital Black Resin Strap Watch
Rating 4.6 out of 5, from 423 reviews
£27.00

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Lorus Men's Digital Display Black Resin Strap Watch
Rating 4.5 out of 5, from 627 reviews
£20.00

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INFO exclusive
Limit Ladies Blue Faux Leather Strap Watch
Rating 4.6 out of 5, from 153 reviews
£13.00

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Reflex Active Interchangeable Strap Calling Smart Watch
Rating 4.6 out of 5, from 104 reviews
£30.00

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INFO exclusive
Sekonda Men's Gold Plated Case Brown Leather Strap Watch
Rating 4.6 out of 5, from 352 reviews
£25.00

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INFO exclusive
Limit Black Strap and Black Dial Analogue Watch
Rating 4.5 out of 5, from 991 reviews
£10.00

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INFO exclusive
Sekonda Men's Black Silicone Strap Sports Watch
Rating 4.5 out of 5, from 181 reviews
£25.00

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Reflex Active Spectra Berry AMOLED Strap Calling Smart Watch
Rating 4.4 out of 5, from 197 reviews
Save Over £4.00
£35.00

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Casio Baby-G White Strap Digital Watch
Rating 4.5 out of 5, from 17 reviews
Save £10.00
£49.99

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Reflex Active Series 8 Black Silicone Strap Smart Watch
Rating 3.5 out of 5, from 28 reviews
Our Lowest Price
£20.00

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Casio Brown Genuine Leather Strap Watch
Rating 4.7 out of 5, from 452 reviews
£30.00

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INFO exclusive
Limit Ladies Pink Faux Leather Strap Watch
Rating 4.6 out of 5, from 1098 reviews
£14.00

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INFO exclusive
Limit Easy Read Purple Silicone Strap Watch
Rating 4.6 out of 5, from 618 reviews
£8.00

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INFO exclusive
Sekonda Ladies Rose Gold Plated Stone Set Nude Strap Watch
Rating 4.6 out of 5, from 228 reviews
£18.00

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Lorus Men's Black Leather Strap Watch
Rating 4.5 out of 5, from 224 reviews
£35.00

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Sekonda Black Silicone Strap Fitness Tracker Smart Watch
Rating 4.4 out of 5, from 172 reviews
£40.00

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Timex Ladies Black Leather Strap Watch
Rating 4.8 out of 5, from 230 reviews
Save £6.00
£32.00

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Lorus Men's Chronograph Brown Leather Strap Watch
Rating 4.7 out of 5, from 286 reviews
£50.00

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INFO exclusive
Sekonda Ladies Diamond Black Strap Watch
Rating 4.6 out of 5, from 473 reviews
Save 20%
£21.99

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INFO exclusive
Limit Easy Read Dark Blue Silicone Strap Watch
Rating 4.6 out of 5, from 618 reviews
£8.00

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Reflex Active Interchangeable Smart Watch Strap Set
Rating 4.8 out of 5, from 86 reviews
£10.00

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Tikkers Kids Series13 Smart Interchangeable Strap Watch
Rating 4.6 out of 5, from 53 reviews
Save 20%
£24.00

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2 Colours available
Radley Series 21 Blue Silicone Strap Smart Watch
Rating 4.0 out of 5, from 194 reviews
Save 20%
£39.99
Choose options

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Timex Men's Black Leather Strap Watch
Rating 4.7 out of 5, from 221 reviews
£40.00

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Casio Digital Solar Black Resin Strap Watch
Rating 4.6 out of 5, from 407 reviews
£40.00

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Casio Men's Vibration Alarm Black Resin Strap Watch
Rating 4.6 out of 5, from 354 reviews
£27.00

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