Orient Star Avant-Garde Skeleton RK-BZ0001S JDM men's automatic watch 42.3mm 100m WR sapphire crystal SAR 60h Power reserve Silicon escapement Made in Japan JDM (Japanese domestic market) Discover the Orient Star Avant-garde Skeleton RK-BZ0001S, a masterpiece that fuses bold architectural design with the finest Japanese watchmaking. Equipped for the first time with a silicon escapement for superior precision and a 60-hour power reserve, its innovative multi-level dial reveals the complexity of its movement. Protected by a sapphire crystal with a nearly invisible anti-reflective coating and finished with the legendary Sallaz polish, this watch is the ultimate expression of innovation and craftsmanship. The Orient Star Avant-garde Skeleton RK-BZ0001S redefines the limits of design and technology. Created for the enthusiast seeking a bold, contemporary expression, this watch not only tells time but exposes the mechanical artistry that makes it possible. At its heart beats the automatic caliber F8F64, introducing a silicon escapement to Orient Star for the first time. This innovation, typically reserved for high-end watchmaking, ensures exceptional precision, greater resistance to magnetism, and lasting reliability. Its dial is a visual spectacle. A complex two-layer structure creates a fascinating sense of depth, revealing the intricate mechanical dance of the movement. For absolute clarity, it features a sapphire crystal with a Super Anti-Reflective (SAR) coating on both sides, eliminating 99% of reflections to the point of being nearly invisible. The robust stainless steel case (SUS316L) combines brushed surfaces with the legendary Sallaz mirror polish, a finishing technique that creates incredibly sharp edges and a distortion-free shine, showcasing an extraordinary level of craftsmanship. Movement: Japanese automatic Caliber F8F64. Innovation: Silicon escapement for enhanced precision and efficiency. Power Reserve: 60 hours, with a dial indicator. Crystal: Sapphire with 99% Super Anti-Reflective (SAR) coating (front and back). Design: Architectural skeleton with a two-level dial. Case: High-quality stainless steel (SUS316L) with a 42.3 mm diameter. Finish: Sallaz mirror polish combined with fine brushing. Water Resistance: 10 bar (100 meters) with a screw-down crown. Features: Power reserve indicator, second-hand stop mechanism, and manual winding. Construction: See-through case back to admire the movement.