Open box fault free customer return which comes generally in very good condition but may show minor signs of use on the strap and not include the original packaging / manual.
Part Number: 010-12342-00
Garmin HRM-Swim Heart Rate Monitor Strap - Black/Blue (U)
  • Lightweight and comfortable
  • Designed for running, cycling and swimming
  • Stores up to 20 hours of heart rate data
  • Transfers data to your Garmin compatible device
  • Up to 18 months battery life

  • Stores Heart Rate Underwater and Forwards Data

  • Specifically designed for swimmers
  • Non-slip strap
  • Stores and forwards heart rate data to compatible devices


  • Take your training to the next level by pairing HRM-Swim with your Forerunner 920XT. Specifically designed for use in the pool, the sleek, non-slip strap stays in place, even during wall push-offs. Once you're out of the water, including when the torso is lifted out of the water mid-session, real-time heart rate, interval summaries and stored heart rate are transmitted to the 920XT.

    We offer Free Standard Shipping for all UK buy it now orders and aim to dispatch same day (Mon-Fri) on all orders placed before 2pm. Please see below for estimated delivery timescales for the different delivery services available during checkout:

    Royal Mail Tracked 48 (Free Option) : 2-3 working days

    We also offer next day delivery for £5.95 which will be sent either by Royal Mail Special Delivery or DPD next day depending on the weight and delivery location.

    International orders are handled by eBay’s global shipping programme, this means we dispatch the order to eBay who then handle the international shipping.

    If you order is marked as delivered but you have not yet received it then it means it has been delivered to eBay so please contact them directly for further updates.

    Items generally arrive within 3-5 days after delivery to eBay for EU countries and 7-10 days for non-EU countries.



    Welcome to our eBay store, where worry-free shopping awaits you! At Red Rock UK, we're committed to delivering an exceptional experience that goes beyond just transactions. With eBay's trusted payment system securely managing every purchase, you can shop with peace of mind, knowing that your financial information is in safe hands.

    But that's not all – we understand that sometimes things don't go as planned. That's why we've streamlined our refund process to ensure that if the need arises, your refund will seamlessly find its way back to your original payment method. We believe in making every step of your shopping journey effortless, from browsing to checkout and beyond.

    As a team that values integrity and customer satisfaction, we strive to provide more than just products – we aim to build trust and relationships with each and every one of our customers. So go ahead, explore our store, and discover the ease and convenience of shopping with us. Your satisfaction is our priority.



    We try to cover all the main details within the listing but if you do have any questions, please feel free to get in touch via the Ask Seller a Question tool or you can email us directly

    We aim to reply to all messages within one working day



    We offer a 30 Day Returns Policy as standard so if you are unhappy with your item or change your mind, you're welcome to return it back to us in original unused and unopened condition complete with all original packaging and accessories. All returns must be returned carriage paid and the purchase price will be refunded in the same method as original payment was made

    In the unlikely event there is a problem with your purchase once received please just make sure to get in touch within 7 days of receipt so we can resolve the matter for you as promptly as possible



    We want you to be 100% Satisfied with your purchase which we aim to achieve by offering great value for money products with a first-class service

    So if for whatever reason you're not completely satisfied with any aspect of your purchase please contact us before leaving negative feedback or low DSR ratings to give us the opportunity to resolve the situation for you



  • Garmin HRM-Swim
  • Quick Start Manual