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Garmin Forerunner 255 GPS Watch with Heart Rate Monitor in Grey

Garmin Forerunner 255 GPS Watch with Heart Rate Monitor in Grey

The Garmin Forerunner 255 is a feature-rich GPS sports watch designed for runners, cyclists, and multi-sport athletes seeking detailed performance tracking. It combines advanced training metrics with comprehensive wellness monitoring in a slim, lightweight design suitable for all-day wear. The watch features an always-on, full-colour display that remains readable even in bright sunlight, making it practical for outdoor activities. Key features include multi-band GPS technology using GPS, GLONASS, and Galileo satellite networks for superior tracking accuracy across various environments. The watch offers over 30 activity profiles, covering running, cycling, swimming, triathlon, and more. It includes advanced training tools like daily suggested workouts that adapt to your performance, training status evaluation, recovery time recommendations, and race time predictions based on course and weather conditions. The integrated heart rate monitor provides continuous tracking, while the HRV (heart rate variability) status feature offers insights into your overall wellness and recovery during sleep. Practical everyday features include Garmin Pay for contactless payments, smartphone notifications for calls, texts, and emails when paired with compatible devices, and safety tracking that allows you to share your location with chosen contacts. The battery lasts up to 14 days in smartwatch mode or up to 30 hours in GPS mode, reducing frequent charging needs. With its comprehensive analytics and user-friendly interface, the Forerunner 255 is ideal for serious athletes looking to optimise their training while maintaining awareness of their overall health metrics.
Brand:Garmin
Compare prices from £280.00 to £302.95
Save £22.95 (8%)
4.9 / 5(60 reviews)
0753759279875
Dark Grey
3 retailers
Sigma Sports Best price
£280.00 *
In Stock Free delivery over £60.00 30 days returns Click & collect
Retailer information

We checked this product from this store on 10 Feb 2026 at 18:32.

Delivery

Free over
£60.00
Restrictions
Not available to some remote UK postcodes: AB, BT, DD, DG, EN, HS, IM, IV, KW, LD, PA, PH, SY17, SY18, SY19, SY20, SY23, SY24, SY25 & ZE. BFPO orders have size limits: max 45cm L x 35cm W x 16cm D, 2kg.
Couriers
Royal Mail, DPD, DHL

Returns & refunds

Return window
30 days
Methods
Post using returns label or direct to warehouse.
Return cost
£3.50
Refund
8-10 working days
Policy
Returns within 30 days, items must be unused and in original condition with tags attached.

Collection & in-store

Click & collect
Available
Locations
Stores at Hampton Wick and Oakham.
Availability
In store & online

Payment & finance

Methods
Visa, Mastercard, PayPal, Amazon Pay, Apple Pay
Interest-free
up to 48 months

Support

Contact
Phone: 0333 006 8833, email via contact form, live chat, WhatsApp.
Self-service
Online account for invoices, track orders, submit returns.

Other

Installation
Premier Bike Delivery with mechanic handover for doorstep setup.
Gift options
eGift vouchers available, valid for 24 months.
Rating
5/5 from 90% of customers on TrustPilot
Sustainability
Paperless invoicing to reduce paper use.
Open retailer
Start Fitness
£299.90 *
In Stock Next day delivery 30 days returns Pay later: Yes
Retailer information

We checked this product from this store on 13 Feb 2026 at 08:45.

Delivery

Time
Next day delivery

Returns & refunds

Return window
30 days
Methods
Post using DPD or Royal Mail, in-store drop-off at Newcastle store
Refund
Usually a few days, up to 10 working days during peak periods
Policy
Return within 30 days of receipt for refund or exchange. Items must be unused, unmarked, with original packaging and tags. Exclusions apply for hygienic items like underwear and swimwear.

Collection & in-store

Availability
In store & online

Payment & finance

Methods
PayPal, Klarna
Interest-free
4 months on purchases over £99
Min spend
£99.00
BNPL
Available to permanent UK residents aged 18+, subject to status
Pay later
Klarna, PayPal Credit

Support

Contact
Via contact us page on website
Self-service
Online returns initiation and tracking

Other

Price match
Price match promise to get customers the best price and value for money
Open retailer
Argos Product reviews 4.9 (60)
£302.95 (incl. £3.95 delivery)
In Stock Same day if ordered by 1pm, next day and standard delivery options available. Click & collect
Retailer information

We checked this product from this store on 19 Feb 2026 at 00:58.

Delivery

Cost
£3.95
Time
Same day if ordered by 1pm, next day and standard delivery options available.
Restrictions
Minimum £20 spend for Argos Plus delivery, excludes clothing and supplier-delivered items. Subject to stock, postcode, and availability.

Collection & in-store

Click & collect
Available
Availability
In store & online

Support

Self-service
Order tracking online via website.
Open retailer

* Price may not include delivery when not stated by the retailer. Prices may have changed since we last checked. We are not liable for any errors or omissions; please confirm price, availability and terms with the retailer before purchasing.

Page last updated: 19 Feb 2026, 00:58