Polar Vantage M Advanced GPS HRM Sports Watch $269 (Typically $399) + Delivery (Free with Prime) @ Amazon UK via AU

All-round GPS multisport watch combining Polar's NEW advanced Optical HR sensor fushion technology, comprehensive training features, in a compact and lightweight design.

• ULTRA-LONG BATTERY LIFE : The Polar Vantage M Advanced GPS Running & Multisport Watch lasts for up to 30 hours of training time.
• POLAR PRECISION PRIME HEART RATE : Polar’s heart rate monitor watches redefine the gold standard in optical heart rate accuracy by combining the latest in bio-impedance electrodes and optical sensors
• TRAINING LOAD PRO: The Vantage M is the ultimate fitness tracker, separating cardio load, muscle load and perceived load. Polar’s Training Load Pro provides an unparalleled look into how your training affects your body
• SWIM/BIKE/RUN FUNCTIONALITY : As a waterproof watch, long-distance running watch and biking activity tracker combined, you can capture key metrics like swimming stroke and pace. You can even pair with your favorite compatible cycling accessory.
• PERSONALIZE WITH YOUR OWN STYLE : With customizable fitness band options, tailor your Vantage M with replaceable wrist bands of multiple colors.