The Seiko Mod "Royal Oak" Skeleton Edition is a bold and technically impressive custom timepiece that celebrates the intricate complexity of mechanical watchmaking. This modification centers on a fully skeletonized "open-work" dial, which eliminates traditional surfaces to reveal the inner gears, springs, and escapement of the automatic movement in a mesmerizing display of horological art. Housed in a meticulously finished 316L stainless steel case, the design pays homage to the legendary octagonal silhouette and visible hexagonal screws that defined modern integrated-bracelet luxury. The brushed and polished surfaces of the case and bracelet catch the light with every movement of the wrist, emphasizing its sharp, architectural lines and industrial elegance. Hand-assembled with precision, this watch is powered by a specialized Seiko automatic movement designed specifically for skeletonization, ensuring that its skeletal beauty is backed by legendary "workhorse" reliability. It is an ideal statement piece for enthusiasts who appreciate a transparent, avant-garde aesthetic that showcases the raw mechanical soul of their watch.

Model Type	• Custom Seiko "Royal Oak" Style Skeleton Luxury Modification • Expertly hand-assembled featuring a technical, high-transparency aesthetic • A unique artistic modification blending iconic industrial design with mechanical exhibition
Case & Material	• 316L Surgical-Grade Stainless Steel with premium brushed and polished finishes • Features the signature octagonal bezel with eight functional hexagonal screws • Equipped with a display case back and a textured screw-down crown for a secure grip
Case Diameter	• Commanding 41mm to 42mm case diameter for a bold and architectural wrist presence • Slim, streamlined profile designed to sit elegantly and secure on the wrist • Ergonomic integrated lug design for a seamless transition from the watch head to the bracelet
Movement	• Reliable Seiko NH70 or NH71 Automatic Caliber with hacking and hand-winding • Specifically engineered skeleton movement with ruthenium or silver-toned finishes • Features a consistent power reserve of approx. 41 hours for dependable daily use
Crystal	• Ultra-hard, scratch-resistant synthetic Sapphire Crystal glass for maximum clarity • High-transparency finish to showcase the intricate inner workings of the movement • Maintains long-term durability with superior resistance to daily scuffs, scratches, and impacts
Dial & Bezel	• Fully skeletonized dial featuring a black chapter ring with applied silver indices • Polished silver-toned baton hands with luminous inserts for essential legibility • Iconic octagonal bezel with a brushed vertical finish and polished chamfered edges
Strap & Clasp	• Premium 316L stainless steel integrated bracelet with a signature multi-link design • Features a smooth, tapered profile that conforms comfortably to the wearer's wrist • Secured with a hidden double-folding butterfly clasp for a clean, continuous look
Water Resistance	• Rated for 3ATM to 5ATM (30m - 50m) depending on specific build gasket seals • Internal gasket system designed to protect against daily moisture and splashes • Recommended for daily wear and formal occasions rather than heavy water activities
Functions	• Central hours, minutes, and a central sweeping mechanical seconds hand • Full-movement exhibition for real-time observation of the gear train and escapement • Hacking seconds feature for precise time synchronization and professional adjustment