This is a popular SEIKO 5 series automatic watch with 21 jewels. It features a Japanese-made Cal. 7S26 movement. The see-through back allows you to enjoy the movement of the mechanism. ◆ Condition Working (currently confirmed to be operating correctly) Minor scratches on the crystal, case, and bracelet (see photos) Date and day display also confirmed to be working Good crown operation ◆ Specifications ・Automatic winding (Cal. 7S26 / 21 JEWELS) ・Date/Day display ・Stainless steel case & bracelet ・See-through back ・MADE IN JAPAN The design features a simple, highly visible black dial with a striking red second hand. Suitable for everyday use and business settings. ※ Please understand that this is a pre-owned item and may have minor scratches. ※ This is an automatic watch, so no battery is required. #SEIKO5 #Seiko5 #7S26 #AutomaticWinding #MensWatch #Seiko #Mechanical #SeeThroughBack