Limited Edition SEIKO 5sports Nano Universe Special Edition Automatic Watch Limited to 300 pieces, with a serial number engraved on the case back. ■ Main Specifications Drive system: Mechanical, Automatic (with manual winding) Accuracy: +45 seconds to -35 seconds per day Duration: Approximately 41 hours when fully wound Water resistance: Reinforced water resistance for daily life (10 ATM) Case size (height x width x thickness): 46.0 x 42.5 x 13.48mm ・See-through back ・Unidirectional rotating bezel ・Calendar (date and day of the week) function ・24 jewels ・Seconds hand stop function Accessories: *All items shown in the images are included. *Although there are no noticeable scratches or stains, there may be some dirt or damage due to the item being used. Please examine the images carefully to assess the condition of the product. Please note that colors and impressions may vary depending on the monitor, computer, and camera. ■ Please check the images for other conditions. Please refrain from purchasing if you are sensitive to minor imperfections. ■ The description of the product's condition is based on the seller's subjective assessment. Please understand that opinions may vary, and purchase with the understanding that it is a used item. Operation...Good