Excelente reloj. No pierde la escencia de g shock. Read more

Quality build. Screen is small, but very high resolution. Some of the stock photos above don't do it justice. Just got my pre-ordered item tonight and tried out the features. Was just looking for a basic workout watch that had HRM and O2 sensor. Always have my phone with me, so GPS isn't really needed in the watch anymore. I used the newer, general "CASIO WATCH" app on Android as they appear to be phasing out the older CASIO MOVE app, etc. It worked well for registering, setting up, and updating the firmware on the watch. I saw complaints about the app in the app store, but so far so good here. One thing to note, the default view shown in the stock photos, where the time is in the middle and the HR is in the top right is not the default face. It is face #2 in the app, and I really like that, so switched to it right away. If I'm wearing this watch, I want to know what my HRM is. I plan to wear it at night for sleep monitoring, and while working out during the day. Not sure if I'll use all of the other "fitness" features, but as a watch and a heart rate monitor, it appears to be doing very well. The HRM seems more accurate than the chest strap I wore previously. If you don't want to pay a monthly fee for competing wrist-based heart rate monitoring, and just want a simple way to monitor your fitness without subscriptions, CASIO seems to have nailed it here. I'll report back after I've spent more time with the watch in the event that anything changes. Mine came fully charged, although this is a new release, so was probably just manufactured not to long ago. It appears that with the current version of the Android app, there is no integration with Google Fit, Strava, or other apps. Nor is there any ability to export walks or runs as .gpx files for use in other applications. Further, the HRM can only be seen by the watch, and the Casio app, so you won't be able to use this watch as an HRM with other apps unless that changes. Read more

No es el mejor smartwatch, pero mide muy bien el ritmo cardiaco, la oxigenación en sangre y los pasos, lo cuál es suficiente para mí. estéticamente es muy bonito. La batería dura bastante (una semana) haciendo ejercicio y midiendo la frecuenta cardiaca y conectado al teléfono recibiendo notificaciones. Tal vez es un poco caro, pero si lo comparas a un Garmin instinct sale ganando. Me encanta. Read more

El producto es de gran calidad y se siente en sus materiales, me gustaría que trajera más carátulas, la app no ofrece muchos datos de historial o de apoyo para conseguir metas, la duración de batería es de aprox una semana( solo tengo activadas las notificaciones y el contador de pasos), si activo el sensor de ritmo cardiaco me dura entre 3 y 4 días. Read more

This watch is not for those looking for a smart watch replacement. This is a simple, durable, and basic watch. I didn't want another device to distract me while on runs or working out. I also think that Apple watches are too feminine. This is for a watch person that wants a tough but stylish tracker and heart monitor. I don't wear it everyday so the battery tends to last 3 to 4 weeks. It also managed to add battery life while on a long hike. The buttons are a little difficult to use and the app is very basic, but I'm okay with it. If you need more information and app quality is important, I would suggest getting a traditional smart watch. Read more

Arrived without tags and Bluetooth icon on screen was flashing and i was connected with phone means it's used not brand new. Read more

Good quality Read more

heart rate monitor works perfectly. pairs with phone. very good watch Read more