Fitbit places the FB421SRBU from the CHARGE 5 collection among its unisex watches. Smart/Digital movement drives it; the case is stainless steel measuring 26 mm, 14 mm thick. The Black digital/smart dial is finished with gorilla glass; a Blue Silicone strap (24 mm lug width) completes it. It's rated 50 m for water resistance; warranty coverage runs 12 months. Rooted in United States, Fitbit's design language carries through. Titan Company's Helios – The Watch Store is an authorized retail partner for Fitbit watches.
Gently wipe your watch with a soft cloth to remove dust, dirt, and moisture. Avoid harsh chemicals, perfumes, and excessive water exposure. Service your watch professionally every few years to ensure durability and accuracy. Proper care keeps your watch looking great and functioning well.
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