seiko sup465p1Seiko Ladies Watch SUP465P1 The Seiko caliber V115 is a Solar watch. Seiko Solar uses an ultra efficient solar cell that is able to create energy from all types of light, not just sunlight. This energy is stored in a very small rechargeable battery that lasts many times longer than conventional batteries. The timepiece is protected against overcharging. This makes the watch virtually maintenance free. When fully charged, caliber V115 has an energy