Detailed Information Brand: Citizen (CITIZEN) Movement: Mechanical Automatic Model/Case Number: GN-4W-S / 8228-S82728 Water Resistance: 10 bar (10 atm) Features: Features a skeleton (open heart) design that allows you to see the internal mechanics from part of the dial. This product is in working condition. The band has some minor scratches, but the dial is in beautiful condition.