Frederique Constant Smartwatch | Buy

: Heart rate monitoring (via Philips sensors), sleep alarms, and 11-day battery life (7 days for ladies' models).

: A pure analog look with a sub-dial at 6 o'clock to track steps and the date. frederique constant smartwatch buy

: Generally ranges from $400 to $1,100 depending on materials like rose-gold plating. : Heart rate monitoring (via Philips sensors), sleep