Thank you for looking ♪ Nixon SIMPLIFY THE 51-30 This is a representative Nixon model that combines a big face with high functionality, making it very impactful and cool. Case size: 51mm ("51" in "51-30") • Water resistance: 300 M (30 ATM) • Movement: SWISS MOVEMENT (Swiss quartz) • Case material: STAINLESS STEEL • Crown position: 10H (The crown is positioned at the 10 o'clock position (left side) to prevent it from digging into your wrist) • Tide graph: Displays tidal information via "HIGH / LOW" sub-dials on the watch face. • Bezel: Unidirectional rotating bezel (for measuring dive time). [Condition] There are minor scratches from use, but they are not noticeable. The battery is dead. Please make your final decision based on the photos.