Originally released in 2015, the BN0151-09L (blue dial) and BN0150-10E (black dial) were introduced as part of the Citizen Promaster Diver line. This watch alone is one of our most recommended affordable and truly “go anywhere, do anything” divers. Citizen Promaster Diver Eco-Drive Case Size:įew watches command as much respect at the Citizen Promaster Diver Eco-Drive. Below we’re cataloging the best solar watches available today and they span all design and function spectrums. Lucky for us solar watch technology has come a long way and there are many options available across a variety of different watch brands. You don’t always even necessarily need the sun – even an artificial light source can charge the watch. A few minutes of sunlight can translate to hours of power reserve. A solar watch is designed to run in perpetuity by harnessing free energy from the sun as a light source – energy that has a higher rate of exponential gains than any other type of movement. Even with quartz watches, the battery needs to be replaced every 1 – 3 years.

Mechanical watches rely on your to wind the watch – the energy required for the watch to run relies on you.

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