Seiko Alba Moon Phase Quartz, working. Pull the crown out one click and turn it right to change the date. Turn it left to adjust the moon phase. Pull the crown out two clicks and turn to adjust the time. It is currently running normally, and being quartz, you shouldn't have to worry about time accuracy. The body has a smoked brown color and is in very good condition, with only minor paint wear, so I think you'll be satisfied. The buckle is original, and the band and battery are new. It will be delivered in a case. Body size: 3cm 2mm including the crown, a boy's size. Suitable for both women and men. The moon phase shows the waxing and waning of the moon, which is very mysterious and romantic.