Casio Men's Digital Quartz Watch with Plastic Strap GBD-100-1ER

Product Information

Time Mode + heart rate monitor function: about 66 hours (includes power-saving function and heart rate sleep mode) Training Mode (continuous GPS measurement) + heart rate monitor function: Maximum of about 14 hours

Auto Light: The watch face will illuminate automatically when you tilt your wrist towards you. Once activated, this feature will automatically deactivate after six hours., LED light, Selectable illumination duration (1.5 seconds or 3 seconds), With afterglow The reason is simple: at a very similar cost, you get quite a few more features that are both interesting and practical, especially if you’re into surfing. And while the design is very similar, we think the stainless steel bezel gives GBX 100 an edge in terms of aesthetics.

At first glance, the two models look extremely similar but upon further inspection, you start to notice some subtle differences. After the Alert: The following operations are stopped to save power: all hand movement (excluding the day indicator), Bluetooth connection, if applicable, and alarms

Interval measurement (up to 5 timers); measuring unit: 1 second; countdown range: 60 minutes; countdown start time setting range: 1 second to 60 minutes; 1-second accuracy; auto-repeat

The light button is positioned on the case front for handy access to ensure an easy read during night workouts. Access your smartphone GPS via Bluetooth® for precision accelerometer measurement. The button tones on the mode button can be switched off for discreet operation. Pre-set alarm or timer functions remain active. Auto/manual lap; auto pause; target alarm setting (time, calories burned); training display customization