# Zenith Defy 21 Ultraviolet Review by A.I. WatchMetrics Overall Watch Rating: 9.2/10.0 - Brand (9.0), History & Innovation (9.5), Rarity (8.5), Material (9.0), Movement (9.5), Versatility (8.0), Complications (8.5), Functions (9.0), Dials & Design (9.0), Cohesiveness (9.0) ## Summary The Zenith Defy 21 Ultraviolet is a striking example of modern watchmaking, showcasing a bold design and advanced technology. This watch is intended for enthusiasts who appreciate high-performance timepieces with a unique aesthetic. Its standout features include a vibrant ultraviolet color scheme and a skeletonized dial that highlights the intricate movement within. The watch is powered by the El Primero 9004 automatic movement, which boasts a remarkable power reserve of 50 hours. ## Metric Breakdown with Weightings - **Brand (10% Weight): 9.0/10** - Explanation: Zenith is renowned for its rich history and contributions to horology, particularly with the El Primero movement, making it a respected name in luxury watches. - **History & Innovation (10% Weight): 9.5/10** - Explanation: Zenith has a storied past, being one of the first brands to produce a chronograph movement. The Defy 21 represents a significant innovation with its high-frequency movement. - **Rarity (10% Weight): 8.5/10** - Explanation: While not extremely rare, the Defy 21 Ultraviolet is a limited edition, making it more exclusive than standard models. - **Material (10% Weight): 9.0/10** - Explanation: The watch features high-quality materials, including a titanium case and a rubber strap, which enhance both durability and comfort. - **Movement (10% Weight): 9.5/10** - Explanation: The El Primero 9004 movement is a high-frequency automatic caliber, known for its precision and reliability, contributing to the watch's overall performance. - **Versatility (10% Weight): 8.0/10** - Explanation: The bold design may limit its versatility for formal occasions, but it excels in casual and sporty settings. - **Complications (10% Weight): 8.5/10** - Explanation: The watch features a chronograph function, adding to its functionality and appeal for sports enthusiasts. - **Functions (10% Weight): 9.0/10** - Explanation: The watch includes a chronograph, water resistance suitable for everyday use, and a transparent caseback that showcases the movement. - **Dials & Design (10% Weight): 9.0/10** - Explanation: The vibrant ultraviolet color and skeletonized design create a visually striking piece that stands out in any collection. - **Cohesiveness (10% Weight): 9.0/10** - Explanation: The Defy 21 Ultraviolet maintains a strong thematic coherence with Zenith's avant-garde approach to watchmaking. ## Conclusion The Zenith Defy 21 Ultraviolet is a remarkable timepiece that combines innovative technology with a bold design. It is well-suited for collectors and enthusiasts who appreciate high-performance watches with unique aesthetics. Its advanced movement and striking appearance make it a standout choice in the luxury watch market. --- *A.I. WatchMetrics Review v. v6.20*