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Account Wishlist Trolley

Small Item Delivery £4.95, free over £100
Large Item Delivery £9.95
A year of fast delivery with Argos Plus

20mm Watch Straps

Find 20mm watch straps to suit classic timepieces, smartwatches and fitness trackers. Choose from comfy silicone, tough resin, durable leather or fabric in a mix of neutral colours and playful shades. Match your look, swap out old bands and enjoy easy, quick-fit designs. Perfect fit, endless wrist style options.

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New

New In(60)

Offers & Clearance

Clearance(26)

Strap colour

Black(137)

Blue(43)

Brown(37)

Pink(26)

Strap type

Adjustable strap(180)

Strap(154)

Adjustable bracelet(13)

Bracelet(7)

Brands

Casio(38)

Radley(36)

Sekonda(32)

Limit(28)

Heart rate monitor

Yes(63)

No(17)

Watch time display

Analogue(259)

Digital(70)

Dual time(20)

Strap material

Silicone(101)

Leather(98)

Resin(48)

Stainless steel(35)

Price

Under £5(1)

£5 - £10(10)

£10 - £15(67)

£15 - £20(29)

GPS

Yes(55)

No(25)

Movement type

Quartz movement(274)

LCD display(19)

Eco-Drive(13)

Automatic(11)

Smart notifications

Yes(66)

No(14)

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5 only

4 or more

3 or more

2 or more

1 or more

Stopwatch

No(251)

Yes(74)

Clasp type

Buckle(299)

Fold-over(24)

Deployment(8)

Velcro(6)

Colour

Black(17)

Pink(16)

Blue(11)

Multicoloured(8)

Size

to see what’s available

437 products

Constant Ladies White Dial Black Strap Watch

Constant Ladies White Dial Black Strap Watch

Rating 4.4 out of 5, from 1914 reviews

(1914)

£8.00

Casio Unisex Analogue White Dial Black Resin Strap Watch

Casio Unisex Analogue White Dial Black Resin Strap Watch

Rating 4.7 out of 5, from 1655 reviews

(1655)

£13.00

Lorus Men's Lumibrite Grey Fabric Web Strap Watch

Lorus Men's Lumibrite Grey Fabric Web Strap Watch

Rating 4.6 out of 5, from 1847 reviews

(1847)

£35.00

Casio Blue Resin Strap Watch

Casio Blue Resin Strap Watch

Rating 4.7 out of 5, from 440 reviews

(440)

£16.00

Casio Power LCD Digital Black Resin Strap Watch

Casio Power LCD Digital Black Resin Strap Watch

Rating 4.7 out of 5, from 2765 reviews

(2765)

£23.00

Casio Unisex Analogue Black Dial Black Resin Strap Watch

Casio Unisex Analogue Black Dial Black Resin Strap Watch

Rating 4.7 out of 5, from 475 reviews

(475)

£16.00

*Argos Pay Representative Example

Representative 34.9% APR (variable), 34.95% PA purchase rate (variable), £1,200 assumed credit limit.

Offers and credit subject to status. 18+. UK only. Terms apply. NewDay Ltd is the lender, Argos Limited is the broker.

Casio Digital Display Black Resin Strap Watch

Casio Digital Display Black Resin Strap Watch

Rating 4.7 out of 5, from 3673 reviews

(3673)

£14.00

Limit Easy Read Black Silicone Strap Watch

Limit Easy Read Black Silicone Strap Watch

Rating 4.6 out of 5, from 724 reviews

(724)

£10.00

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*Argos Pay Representative Example

Representative 34.9% APR (variable), 34.95% PA purchase rate (variable), £1,200 assumed credit limit.

Offers and credit subject to status. 18+. UK only. Terms apply. NewDay Ltd is the lender, Argos Limited is the broker.

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Sell on Argos

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© Argos Limited 2026. All Rights Reserved.

*Argos Pay is provided by NewDay Ltd. UK residents aged 18 and over. Offers and credit subject to status. Terms apply.

Argos Limited is a credit broker and not a lender, introducing Argos Pay under an exclusive arrangement with the lender NewDay Ltd.

Argos Limited is authorised and regulated by the Financial Conduct Authority (firm reference number: 713206), registered office: 33 Charterhouse Street, London, EC1M 6HA). NewDay Ltd is a company registered in England and Wales (company number: 7297722), registered office: 7 Handyside Street, London, N1C 4DA. NewDay Ltd is authorised and regulated by the Financial Conduct Authority (firm reference number: 690292) and is also authorised by the Financial Conduct Authority under the Payment Services Regulations 2017 (firm reference number: 555318) for the provision of payment services.

PayPal Pay in 3 is the trading name of PayPal UK LTD, 5 Fleet Place, London, United Kingdom, EC4M 7RD. Terms and conditions apply. Credit subject to status, UK residents only. Argos Limited acts as a broker and offers finance from a restricted range of finance providers. PayPal Pay in 3 is regulated by the Financial Conduct Authority. Pay in 3 eligibility is subject to status and approval. 18+ UK residents only. Pay in 3 is a credit agreement. Check if affordable and how you will repay. May make other borrowing more difficult or expensive. See product terms for more details.

Klarna's Pay in 3 / Pay in 30 days are regulated credit agreements. Borrowing more than you can afford or paying late may negatively impact your financial status and ability to obtain credit. 18+, UK residents only. Subject to status. Ts&Cs and late fees apply.

Argos Care policies are provided by Domestic & General Insurance PLC, who are an insurer not an intermediary. They have not given you a personal recommendation as to whether this policy is suitable for your needs.