Marina Y161 ❲PREMIUM × STRATEGY❳

Using a 4-channel photoplethysmography (PPG) sensor, the Y161 samples heart rate every second during workouts and every 10 minutes at rest. The ECG (Electrocardiogram) function is FDA-approved for detecting Atrial Fibrillation (AFib). Users place a finger on the digital crown for 30 seconds to generate a single-lead ECG waveform readable directly on the companion app.

The watch is only half the story; the Marina Health Hub app (available for iOS 14+ and Android 10+) is where data becomes actionable. The app features: Marina Y161

The app respects privacy; all health data is encrypted end-to-end, and users can choose to store data locally rather than on the cloud. The app respects privacy; all health data is

Unlike aggressive sport-fishers or boxy explorers, the Marina line prioritizes water-level connection. Key design elements include: Charging from 0% to 100% takes just 75

No device is perfect. Here are the honest limitations of the Marina Y161:

Traditional AMOLED smartwatches suffer from "battery anxiety," requiring nightly charging. The Marina Y161 shatters this paradigm.

Charging from 0% to 100% takes just 75 minutes using the included magnetic puck. A 10-minute "quick boost" provides 48 hours of typical use.