The Fitbit Sense 2 (reference FB521) is an aluminum with a smart movement and 50m of water resistance. It carries a gray dial. Its original retail price (MSRP) was $300.
Confirmed secondary-market sales WristWorth has tracked for this reference.
The Fitbit Sense 2 (reference FB521) had an original retail price (MSRP) of $300. Secondary-market values vary with condition and availability.
The FB521 runs a smart movement.
The FB521 has a Aluminum case, water resistant to 50m, with a gray dial.
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