Compact Series 46mm - Streamlined & Versatile Trail Companion *Perfect for average wrists (6.3-8.7in) and daily wear* No APP No need to charge No phone required No bluetooth Refined 46x46x14mm profile (estimated) ensures all-day comfort without sacrificing the FSTN display clarity. Ideal for wrists 160-220mm (6.3-8.7in) – measure below if under 160mm. Full-featured lightweight: Same altimeter/barometer/compass suite as Pro Series, now in a 95-105g* lean build (*estimated vs 50mm). Breathable band options: Nylon (115g) or silicone (125g) for customizable fit. Battery: CR2032 Size Notice: *Check your wrist size! This 50mm model suits medium-to-large wrists. If your wrist is below 180mm, consider our 46mm compact edition.*