Model number: 7019-6020 Operation confirmed. Crown operation is problem-free. When the crown is turned while pushed in, the inner bezel rotates in both directions. Day of the week can be changed by pushing the crown. Date can be changed by pulling the crown out one click, but the inner bezel also rotates at the same time. This is the specification of this item. Time adjustment is possible by pulling the crown out two clicks. Accuracy has not been measured, but it should be suitable for daily use. Please note that there is no warranty. The strap is a brand new, unused Seiko Teju-embossed cowhide leather strap, installed for the listing. - Brand: SEIKO5 - Model: Automatic watch - Color: Silver - Belt Material: Leather - Features: Date & Day display function - Crystal: Glass - Case Material: Stainless steel - Dial Shape: Round Thank you for viewing.