Smartwatches

Smartwatches UK — Memoriex Hero

Your Health. Your Wrist. Your Way. Explore our curated collection of 40+ smartwatches — from elegant women’s wearables and professional men’s business watches to rugged sports trackers and 4G standalone models. Track your heart rate, sleep, blood oxygen, and fitness goals with advanced health monitoring at a fraction of the Apple Watch price. Makes a brilliant gift for fitness lovers, tech enthusiasts, and health-conscious friends. Free UK delivery.

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Women’s Smartwatches  ·  Men’s Business Smartwatches  ·  Sports & Fitness Trackers  ·  4G Standalone Smartwatches  ·  Smart Rings  ·  Fitness & Home Gym

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Gifts for Him  ·  Gifts for Her  ·  Gifts for Family  ·  Christmas Gifts  ·  Gifts for Grandparents  ·  ✨ Gift Oracle — Find the Perfect Gift

📏 Smartwatch Size Guide — Case & Strap →

Case Size Guide

Case size affects how the watch looks and feels on your wrist. Use your wrist circumference as a guide.

Wrist Circumference Recommended Case Size Best For
Under 15cm 38–40mm Slim, delicate wrists — women’s styles
15–17cm 41–44mm Medium wrists — unisex & everyday wear
17–19cm 45–47mm Standard men’s fit — most popular size
19cm+ 49mm+ Large wrists — bold, statement look

Strap Size Guide

Most of our smartwatches use standard interchangeable straps. Measure your wrist circumference with a soft tape measure or strip of paper.

Strap Width Wrist Circumference Typical Strap Length
18mm 13–16cm S/M — 105mm + 65mm
20mm 15–18cm M/L — 120mm + 75mm
22mm 17–20cm L/XL — 130mm + 85mm
24mm 18cm+ XL — 140mm + 90mm

💡 Tip: Wrap a strip of paper around your wrist, mark where it overlaps, then measure the length. Add 1–2cm for a comfortable fit. Not sure? Ask our Gift Oracle for a personalised recommendation.

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