Best Apple Watch Series 4 40mm Deals Online in the UK (24 Deals Found)

Last Updated - 29/10/2026 Sort By:

Best Choice
OFFCUP

New
OFFCUP Case with Screen Protector Compatible, 2pcs Hard Case Designed for Apple Watch Series 4/5/6/SE 40mm with Tempered
【Compatible Models】The ultra-thin PC protective case is compatible with Apple Watch Series 6/SE/Series 5/Series 4 40mm.

£4.99
Piuellia

New
Piuellia 2 Pack Black Case for Apple Watch SE3/SE2/SE/Series 6/5/4 40mm
Application: Compatible with Apple Watch SE3 & SE2 & SE & Series 6 & Series 5 & Series 4 40mm

£7.99
New
Swarovski Millenia apple watch case For Apple Watch Series 4 & 5, 40 mm 💜
Elevate your Apple Watch Series 4 or 5 with this stunning Swarovski Millenia apple watch case.

£37.10
Bigqin

New
Bigqin 5 Pieces Screen Protector Compatible with Apple Watch Series 6/5/4 SE 40mm, with Tempered Glass, Full Cover, Anti
Precise Cutouts: Precise cutouts for all connections, speakers and buttons, easy access to all features and controls, ma

£3.99
New
Apple Watch SE 3rd Generation 5G Cellular 40mm & 44mm Smartwatch Pristine A++
Sizes:40mm / 44mm.

£236.99
Best Value
PWJCLT

New
[2 Pack] Case for Apple Watch SE 3/ SE 2/SE Series 6/5/4 40mm
Compatible Model: PWJCLT Case Compatible with apple watch SE 3/series 6/5/4/SE/SE2 40mm.(NOT INCLUDE Watch and Band)

£5.09 £5.99
LK

New
LK Screen Protector for Apple Watch SE/6/5/4 40mm & 9/8/7 41mm, 4 Pack
Wide Compatibility: 4 Pack screen protector compatible for Apple Watch Series SE/SE2/SE3 6 5 4 40mm and Series 9 8 7 41m

£6.99
New
Genuine Apple Watch Braided Solo Loop Band 49mm 46mm 45mm 44mm 42mm 41mm 40mm
49mm 46mm 45mm 44mm 42mm 41mm 40mm 38mm RRP £99.

£38.90
JETech

New
JETech Case for Apple Watch SE 3/2/1, Series 6/5/4 40mm, Black
[Superior Quality] Integrated with hard PC shell and 9H hardness tempered glass screen protector. Promise accurate and q

£7.99
New
Apple Empty Cases IPhone 8 Plus 64gb, IPad Pro 11inch,apple Watch Series 4 40mm
The Apple Empty Cases include an iPhone 8 Plus 64GB, iPad Pro 11-inch, and Apple Watch Series 4 40mm.

£10.80
38% Off
HANKN

New
HANKN 2 Pack Hard Case for Apple Watch Series 6 5 4 SE 2/3 40mm, Clear
1. Package Include: 2pcs Apple Watch Series 4 5 6 SE 3 2 40mm Tempered Glass Screen Protector Case.

£4.98 £7.98
DULIPING

New
DULIPING 2 Pack Case for Apple Watch SE3/SE2/SE, Series 6/5/4 40mm Built-in Tempered Glass Screen Protector, Overall Ful
Applicable Model - Screen Protector compatible with Apple Watch SE2/SE, Series 6/5/4 40mm, please check the watch before

£5.99
New
OtterBox Exo Edge Case Black for Apple Watch SE/Series 6/5/4 40mm
The OtterBox Exo Edge Case in Black is specifically designed for the Apple Watch Series 4, 5, 6, and SE, with a size of

£15.08
Yoohoo

New
Silicone Sport Strap Compatible with Apple Watch Straps 38mm 40mm 41mm 42mm
✅【Perfect Compatibility】Patent No.6396827 The 2025 version features an upgraded design for apple watch straps of Apple W

£6.99
New
Apple Watch Series 7 6 5 4 SE (41 / 40mm) Case | Spigen [Rugged Armor Pro] Cover
All Spigen products are manufactured with premium materials in a continuous venture to produce quality products that are

£18.13
Bigqin

New
Bigqin [5 Pieces Screen Protector Compatible with Apple Watch Series 6/5/4/SE 3/SE 2/SE 40mm, with Tempered Glass, Full
Suitable Model:Compatible with Apple Watch Series 6/5/4/SE 3/SE 2/SE 40mm.

£4.99
New
4 Pack Apple Watch Straps 38mm 40mm 41mm Silicone Replacement Bands Multi Colour
This bundle is perfect if you like to change your look regularly — keep it classic with black or grey, go clean with whi

£10.80
New
For Apple Watch iWatch Series 4 40mm 44mm LCD Display Touch Screen Digitizer
For Apple Watch iWatch Series 4 40mm 44mm( Glass + Lcd).

£56.39
New
Marvel Spiderman Watch Strap 38mm & 40mm Apple Watch series 1,2,3,4,5,6, SE
Spiderman Design: Featuring a Spiderman design, this strap adds a touch of fun and personality to any child's watch.

£8.99
New
Bluetooth Antenna Flex Cable Replacement for Apple Watch Series 4 40mm
For Apple Watch Series 4 40mm Bluetooth Signal Antenna Flex Cable.

£7.99
New
Batman Apple Watch Strap 38mm & 40mm Apple Watch series 1,2,3,4,5,6, SE
Perfect Fit for Kids: This Batman watch strap is designed for children, ensuring a comfortable fit on their wrists.

£6.99
New
Apple Watch New Battery Replacement Repair Service - All Models Supported
We will examine and diagnose your device before repair, to ensure the correct repair is carried out to for the specified

£37.75
New
Crown Shaft Flex Cable For Apple Watch Series 4 5 SE 6 40mm 44mm Replacement
1x Crown shaft / Digital Crown flex cable module.

£32.99
New
Watch Gold Smart Watch Unisex , Great Battery 4-5 days
Smart watch magnetic charger runs with H Band app Can see the call but you can not answer because it doesn't have a buil

£25.66

24 Apple Watch Series 4 40mm deals are available from: Amazon, eBay stores, starting from £3.99.
The biggest discount we found is 38% on HANKN 2 Pack Hard Case for Apple Watch Series 6 5 4 SE 2/3 40mm, Clear at Amazon.
The lowest price we found is £3.99 while the highest is £236.99.
Prices for the best Apple Watch Series 4 40mm deals average at £25.19.
Last updated on October 29, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Apple Watch Series 4 40mm.