The PER009 Sport Watch Face Mesa represents PERSONA Watch Face's entry into the advanced Wear OS watch face market, targeting users who require comprehensive data visualization alongside aesthetic customization. Built on the new watch face format, it requires API Level 30+ compatibility, ensuring operation on modern Wear OS devices including Samsung Galaxy Watch series. The watch face delivers multiple data complications including weather information, calendar integration, fitness metrics, and customizable color schemes. Its adaptive brightness system ensures visibility in direct sunlight, while the modular design allows users to prioritize information based on their needs. The interface supports touch-based customization directly on the device, though Galaxy Watch users must bypass the Samsung Wearable app's editor due to known compatibility issues with complex faces. Real-world usage demonstrates particular strength during athletic activities, where the high-contrast display and glanceable information prove valuable. The customization process, while requiring on-device adjustment rather than smartphone-based editing, provides granular control over data presentation. Users report reliable performance during running, cycling, and swimming scenarios, with the water-resistant design maintaining functionality across activities. User feedback indicates generally positive experiences with notable responsiveness from developers. James Yingling's February 2025 review notes rapid resolution of weather icon issues following support contact, though location display remains a persistent concern mentioned across multiple reviews. Peter Savage's July 2025 endorsement highlights the balanced customization options, while Wendell Mcbride's March 2025 review identifies integration limitations with non-Outlook calendar systems. The watch face excels in visual customization and data density, making it suitable for users requiring comprehensive information access. Limitations include the Galaxy Watch editor incompatibility (a platform-level issue) and occasional integration gaps with third-party services. It performs best for Wear OS users seeking highly customizable, data-rich interfaces who can accommodate on-device customization workflows.