◆ Battery replacement required. POLA Sun&Moon Features a moon phase dial and rounded glass. ◆ About the product condition ◆ ■ Used item, please assess the condition from the images. ■ Watch body size: Approximately 45mm (height) x 27mm (width) including the crown. ■ Bezel outer diameter: Approximately 25mm ■ Thickness: Approximately 9mm ■ Belt attachment width: 10mm ■ Weight: Approximately 20.4g ■ Water resistance not confirmed. Thank you.