Seiko 5M23 6B50 Kinetic Sports 150 Divers Style Watch 。Seiko Kinetic Sports 150 5M23-6B70 Two-Tone Lithium Upgrade Y2K Gorpcore This vintage Seiko Kinetic Sports 150 (Ref. 5M23-6B70) features a classic two-tone stainless steel and gold-plated finish with a rotating diver-style bezel and a white dial. A standout feature of this timepiece is the upgraded lithium-ion battery (capacitor), which improves upon the original technology. While early Kinetic models held a charge for only a few days, this modern lithium upgrade extends the power reserve to several months, ensuring reliability even when not worn daily. The watch includes a day/date complication at the 3 o\'clock position. The oscillating rotor generates energy with your wrist\'s natural motion, combining the accuracy of quartz with the soul of a mechanical watch. W-147