BBy Bikram Nath·Researched from UK Amazon listings·Updated 2026-10-17·6 products compared
Disclosure: As an Amazon Associate I earn from qualifying purchases. This guide contains Amazon affiliate links, and we may earn a commission — at no extra cost to you — but it never changes our rankings.
What are the best smartwatches under £100 to buy in the UK?
Our top pick for Smartwatches Under £100 in the UK is the Jugeman 1.43" AMOLED Military Smart Watch.
The Jugeman 1.43" AMOLED Military Smart Watch suits outdoor walkers and runners who want GPS, a compass and altimeter, 5ATM and a 3 Year warranty, all stated on the listing.
The Jugeman 1.43" AMOLED Military Smart Watch is our top pick of the smartwatches under £100 here because its listing states a 1.43-inch AMOLED touchscreen, dual-mode GPS with a compass and altimeter, 5ATM water resistance, a 520mAh battery rated for 5–10 days of use and a 3 Year warranty. For battery life, the Blackview 1.45" Military Smart Watch lists a 960mAh battery with 30 days in smart mode and 100 days in extreme mode; for swimming, the uaue 1.85" GPS 3ATM Smart Watch states 3ATM with pool and open-water swimming, and the AEAC 1.32" AMOLED Smart Watch states 3ATM and a five-year guarantee.
This guide compares six smartwatches from Jugeman, Blackview, uaue, AEAC, Atheewon and TRAUSI, using what each listing states: screen size and type, water rating, battery capacity and battery life, GPS, sports modes and warranty. Stated screen sizes run from 1.32 inches on the AEAC to 1.85 inches on the uaue.
Buying guide
What should you look for in Smartwatches Under £100?
1Water rating: Jugeman states 5ATM, uaue and AEAC 3ATM, Blackview and Atheewon IP68, and TRAUSI IP67. The uaue listing names pool and open-water swimming and the AEAC listing says you can swim and surf with it; the Blackview listing says its watch is not for sauna, hot showers, diving or swimming.
2Battery: Blackview states 960mAh (30 days in smart mode, 100 days in extreme mode), Jugeman 520mAh (5–10 days of use, up to 20 days on standby), TRAUSI 350mAh (5-7 days of active use, up to 30 days in standby) and Atheewon 300mAh (5 days of normal use, 20 days on standby). AEAC gives up to 7 days of use from a full 2-hour charge and no capacity; the uaue listing does not mention battery life in the features we read.
3GPS and navigation: the Jugeman lists dual-mode GPS, a compass and an altimeter, and the uaue lists built-in GPS; both listings say routes can be recorded without carrying your phone. The AEAC connects to your phone's GPS through the VeryFit app. The Blackview lists a compass and an LED flashlight; the Blackview, Atheewon and TRAUSI listings do not mention GPS in the features we read.
4Screen: the Jugeman (1.43-inch) and AEAC (1.32'') list AMOLED screens. The Blackview states a 1.45-inch TFT touchscreen, the uaue a 1.85-inch TFT display, the TRAUSI a 1.83-inch IPS display at 240*284 and the Atheewon a 1.39" HD screen.
5Warranty: AEAC states a 5-year guarantee, Jugeman 3 Year, Atheewon 2 years and TRAUSI 90 Day Manufacturer. The uaue listing mentions a 2-year repair service; the Blackview listing states no warranty term.
Our process
How do we choose our picks?
We don’t lab-test products ourselves. Instead we synthesise current Amazon UK listings and published specs into clear, honest recommendations. We earn a commission if you buy through our links, but that never changes which products we rank.
Current UK availability
We check each pick against live Amazon UK catalogue data rather than last year’s model lists. Stock moves fast, so a listing can sell out after we publish.
Published specs
We compare manufacturer specifications so each pick is right for a real budget and use-case.
UK-specific fit
We factor in UK voltage and plug/fitting standards — details that generic global lists miss.
IP68 (not for sauna, hot showers, diving or swimming, per the listing)
3ATM
3ATM
IP68
IP67
Battery Life
5–10 days of use, up to 20 days on standby
30 days in smart mode, 100 days in extreme mode
—
Up to 7 days of use from a full 2-hour charge
5 days of normal use, 20 days on standby
5-7 days of active use, up to 30 days in standby
Sports Modes
160+
150+
100
—
100+
120
Battery
520mAh
960mAh
—
—
300mAh
350mAh
Warranty
3 Year
—
—
5 years
2 years
90 Day Manufacturer
Navigation
Dual-mode GPS, compass, altimeter
Anti-magnetic compass
Built-in GPS
Your phone's GPS, via the VeryFit app
—
—
The rankings
The best Smartwatches Under £100, ranked
1
Jugeman
Top Pick
Jugeman 1.43" AMOLED Military Smart Watch
The Jugeman 1.43" AMOLED Military Smart Watch suits outdoor walkers and runners who want GPS, a compass and altimeter, 5ATM and a 3 Year warranty, all stated on the listing.
Display
1.43-inch AMOLED touchscreen
Water Resistance
5ATM
Battery
520mAh
Battery Life
5–10 days of use, up to 20 days on standby
Warranty
3 Year
Sports Modes
160+
Navigation
Dual-mode GPS, compass, altimeter
What we like
+Dual-mode GPS, compass and altimeter; the listing says routes can be recorded without carrying a phone
+5ATM water resistance and an operating range of -30°C to 70°C, per the listing
+3 Year warranty stated
+60dB speaker and noise-cancelling microphone for calls, per the listing
Worth noting
–The listing mentions rain but does not mention swimming in the features we read
–Jugeman says it meets military-grade standards but names no specific standard in the features we read
£52.99Amazon.co.uk price as of 03 Nov, 12:00 (London time). Details
The Blackview 1.45" Military Smart Watch suits hikers who want long gaps between charges, with a 960mAh battery, a flashlight and a compass on the listing, but no stated warranty.
Display
1.45-inch TFT touchscreen
Water Resistance
IP68 (not for sauna, hot showers, diving or swimming, per the listing)
Battery
960mAh
Battery Life
30 days in smart mode, 100 days in extreme mode
Sports Modes
150+
Navigation
Anti-magnetic compass
Durability
MIL-STD-810G certified, per the listing
What we like
+960mAh battery with 30 days in smart mode and 100 days in extreme mode, per the listing
+LED flashlight with Steady-On and SOS modes, plus a compass
+Built with aerospace aluminium, with MIL-STD-810G certification stated on the listing
+Syncs up to 50 key contacts for calls, per the listing
Worth noting
–The listing states no warranty term
–The listing says it is not for sauna, hot showers, diving or swimming
–The listing does not mention GPS in the features we read
£24.17£39.99−40%Amazon.co.uk price as of 03 Nov, 12:00 (London time). Details
The uaue 1.85" GPS 3ATM Smart Watch suits swimmers and runners who want built-in GPS and a 3ATM rating, per its listing, and can do without a stated battery figure.
The Atheewon S10 1.39" Military Smart Watch suits buyers who want a watch that Atheewon describes as shockproof and scratch-resistant, with IP68 and a 2-year warranty on the listing.
Display
1.39" HD
Water Resistance
IP68
Battery
300mAh
Battery Life
5 days of normal use, 20 days on standby
Warranty
2 years
Sports Modes
100+
What we like
+Scratch-resistant glass and a shockproof, drop-resistant design, per the listing
+2-year warranty stated
+Syncs contacts and call logs, per the listing
+Full charge in 1.5 hours, per the listing
Worth noting
–The listing says it does not support iPads, tablets or PCs
–The listing does not mention GPS in the features we read
–The listing names washing your hands and rainy days for its IP68 rating and does not mention swimming
View on Amazon UKAmazon UK shows no offer for this product as of 03 Nov, 12:00 (London time). Details
6
TRAUSI
TRAUSI TG08 1.83" Smart Watch
The TRAUSI TG08 1.83" Smart Watch suits buyers who want a 1.83-inch screen for notifications and music control, with IP67 and a 350mAh battery on the listing, and accept a 90-day warranty.
Display
1.83-inch IPS, 240*284
Water Resistance
IP67
Battery
350mAh
Battery Life
5-7 days of active use, up to 30 days in standby
Warranty
90 Day Manufacturer
Sports Modes
120
What we like
+IP67, which the listing says withstands splashes, sweat and brief submersion
+350mAh battery with up to 30 days in standby, per the listing
+States compatibility with iPhone (iOS 9.0+) and Android (5.0+)
+1.83-inch IPS display with a stated 240*284 resolution
Worth noting
–The stated warranty is 90 Day Manufacturer
–The listing does not mention GPS in the features we read
–The listing says step recording starts after exceeding 20 steps
£18.99£19.99−5%Amazon.co.uk price as of 03 Nov, 12:00 (London time). Details
Product prices and availability are accurate as of 03 Nov, 12:00 (London time) and are subject to change. Any price and availability information displayed on Amazon.co.uk at the time of purchase will apply to the purchase of this product.
Editor's Note
All six listings name calls, heart rate and sleep tracking among their features; the Atheewon listing says its data is for fitness reference only and not medical-grade, and the Blackview listing says the watch is not a medical device. Battery figures come in different terms (days of use, standby, smart and extreme modes), and the uaue listing gives no battery figure in the features we read.
Our Take
As a default, pick the Jugeman 1.43" AMOLED Military Smart Watch: dual-mode GPS, a compass and altimeter, 5ATM and a 3 Year warranty, all on the listing. For swimming, the uaue 1.85" GPS 3ATM Smart Watch names pool and open-water swimming and lists built-in GPS; for long gaps between charges, the Blackview 1.45" Military Smart Watch lists a 960mAh battery with 100 days in extreme mode.
Questions & answers
Frequently asked questions
Which smartwatches under £100 have built-in GPS?
The Jugeman 1.43" AMOLED Military Smart Watch and the uaue 1.85" GPS 3ATM Smart Watch both list GPS that records routes without carrying your phone. The AEAC 1.32" AMOLED Smart Watch uses your phone's GPS through the VeryFit app. The Blackview, Atheewon and TRAUSI listings do not mention GPS in the features we read.
Can you swim with a smartwatch under £100?
The uaue 1.85" GPS 3ATM Smart Watch lists 3ATM with pool and open-water swimming, and the AEAC 1.32" AMOLED Smart Watch lists 3ATM and says you can swim and surf with it. The Blackview listing says its IP68 watch is not for diving or swimming, and the Atheewon IP68 listing mentions washing your hands and rainy days.
Which smartwatch under £100 lists 100 days of battery life?
The Blackview 1.45" Military Smart Watch lists a 960mAh battery with 30 days in smart mode and 100 days in extreme mode. The Jugeman 1.43" AMOLED Military Smart Watch lists 5–10 days of use and up to 20 days on standby, and the TRAUSI TG08 5-7 days of active use and up to 30 days in standby.
Can a smartwatch under £100 make and answer calls?
Yes: all six smartwatches in this guide, including the Jugeman 1.43" AMOLED Military Smart Watch, name calls among their features. The Jugeman states a 60dB speaker and a noise-cancelling microphone, and the Blackview says it syncs up to 50 key contacts.
What warranty do smartwatches under £100 come with?
The AEAC 1.32" AMOLED Smart Watch states a 5-year guarantee, the Jugeman 1.43" AMOLED Military Smart Watch 3 Year, the Atheewon S10 2 years and the TRAUSI TG08 90 Day Manufacturer. The uaue listing mentions a 2-year repair service, and the Blackview listing states no warranty term.
Do smartwatches under £100 work with iPhone and Android?
Yes: all six smartwatches in this guide list both iPhone (iOS) and Android compatibility. The TRAUSI TG08 states iOS 9.0+ and Android 5.0+, the Blackview Android 6.0+ or iOS 9.0+, and the Atheewon S10 listing says it does not support iPads, tablets or PCs.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. UKPicks earns a small commission from qualifying purchases made via links on this page. This does not affect our editorial recommendations or the price you pay.
