# Seiko Prospex Marine Master Tuna SBBN035 Review by A.I. WatchMetrics Overall Watch Rating: 8.5/10.0 - Brand (8.5), History & Innovation (8.0), Rarity (7.5), Material (8.0), Movement (9.0), Versatility (9.0), Complications (6.0), Functions (9.0), Dials & Design (8.5), Cohesiveness (8.0) ## Summary The Seiko Prospex Marine Master Tuna SBBN035 is a robust dive watch designed for professional use, featuring a quartz movement known for its reliability and accuracy. With a water resistance of up to 1000 meters, this watch is intended for serious divers and water sports enthusiasts. Its unique tuna canister case design not only enhances durability but also provides a distinctive aesthetic appeal. The watch is particularly appealing to those who appreciate functional dive watches with a strong heritage in the diving community. ### Movement Type and Power Reserve - **Movement Type**: Quartz - **Power Reserve**: N/A (Quartz movements typically do not have a power reserve in the traditional sense) ## Metric Breakdown with Weightings - **Brand (10% Weight): 8.5/10** - Explanation: Seiko is a well-respected brand known for its innovation and quality in the watch industry, particularly in the realm of dive watches. - **History & Innovation (10% Weight): 8.0/10** - Explanation: Seiko has a rich history in watchmaking, particularly in developing reliable dive watches, and the Prospex line showcases their commitment to innovation. - **Rarity (10% Weight): 7.5/10** - Explanation: While the SBBN035 is not a limited edition, it is a sought-after model among dive watch enthusiasts, contributing to its rarity. - **Material (10% Weight): 8.0/10** - Explanation: The watch features high-quality materials, including a durable stainless steel case and a hardlex crystal, ensuring longevity and resistance to wear. - **Movement (10% Weight): 9.0/10** - Explanation: The Seiko Caliber 7C46 quartz movement is known for its precision and reliability, making it an excellent choice for a dive watch. - **Versatility (10% Weight): 9.0/10** - Explanation: The SBBN035 is versatile enough for both professional diving and everyday wear, making it suitable for various occasions. - **Complications (10% Weight): 6.0/10** - Explanation: The watch features basic timekeeping functions with no advanced complications, which is typical for a dive watch. - **Functions (10% Weight): 9.0/10** - Explanation: - Water Resistance: 1000 meters, ideal for professional diving. - Lume: Excellent luminescence for visibility in low-light conditions. - Caseback Display: Not applicable for this model. - Power Reserve: Not applicable for quartz. - Accuracy: Highly accurate quartz movement. - **Dials & Design (10% Weight): 8.5/10** - Explanation: The watch features a bold and legible dial design, with a unique tuna canister shape that stands out in the dive watch category. - **Cohesiveness (10% Weight): 8.0/10** - Explanation: The SBBN035 fits well within the Seiko Prospex line, maintaining a cohesive design language that appeals to dive watch enthusiasts. ## Conclusion The Seiko Prospex Marine Master Tuna SBBN035 is a formidable dive watch that combines functionality with a distinctive design. Its robust construction and reliable quartz movement make it an excellent choice for divers and watch collectors alike. With its strong heritage and commitment to quality, the SBBN035 stands out as a top contender in the dive watch category. --- *A.I. WatchMetrics Review v. v6.20*