Seiko Presage SARX136/SPB538 145th Anniversary Limited Edition Enamel Dial Watch 2026.2.6 releaseProduct Highlights Movement System: Automatic mechanical (with manual winding function) Movement Reference Number 6R51 Movement System Automatic mechanical (with manual winding function) Accuracy +25 to 15 seconds per day Power Reserve Approximately 72 hours when fully wound Number of Jewels 24 Function Stop second (hacking seconds) Case Material Stainless steel Case Dimensions Thickness: 12. 3 mm, Width: 35. 0 mm, Height: 37. 0 mm Crystal Material