The Custom Seiko Mod "Seitona" Emerald Gemstone Edition is an avant-garde masterpiece that seamlessly merges the high-performance heritage of racing chronographs with the opulence of high-jewelry aesthetics. Meticulously hand-assembled by independent horological studios, this timepiece features a stunning sunburst green dial inspired by the legendary "John Mayer" design, providing a vibrant and deep emerald backdrop for its golden accents. The watch is elevated by a custom-set bezel adorned with brilliant green gemstones that capture and refract light from every angle, creating a bold, luxurious presence on the wrist. Housed in a 40mm 316L stainless steel case with a premium yellow gold PVD finish, it offers a robust yet refined silhouette that sits comfortably and securely. Powered by a reliable Japanese mecha-quartz movement, it provides the accuracy of quartz with the satisfying, mechanical-style sweeping reset of a traditional chronograph. This bespoke creation is designed for the modern collector who seeks the prestige of an iconic silhouette through a unique, artisanal build that stands apart from standard factory releases.

Model Type	• Custom Seiko "Seitona" Emerald Gemstone Chronograph Luxury Modification • Expertly hand-assembled with premium-tier yellow gold PVD components • A unique artistic modification blending iconic racing design with a high-jewelry aesthetic
Case Material	• 316L Surgical-Grade Stainless Steel with a premium yellow gold laminate finish • Features iconic "Daytona" style screw-down pushers and integrated crown guards • Equipped with a reinforced solid screw-down case back for enhanced internal protection
Case Diameter	• Versatile 40mm case diameter designed for a classic, sporty, and prominent fit • Slim 12mm profile engineered to sit flat and secure for a seamless wrist presence • Ergonomic lug design tailored for a comfortable and balanced feel during daily wear
Movement	• Reliable Seiko VK63 Mecha-Quartz Chronograph Hybrid Caliber • Combines quartz accuracy with a mechanical-style sweeping chronograph second hand • Features a long-lasting battery life of approximately 3 years for dependable use
Crystal	• Ultra-hard, scratch-resistant synthetic Sapphire Crystal glass with anti-reflective coating • High-clarity flat lens designed to showcase the vibrant emerald dial and gemstone bezel • Maintains long-term durability with superior resistance to daily impacts and scuffs
Bezel	• Fixed custom bezel set with brilliant green emerald-style gemstones • Precision-milled gold setting designed to capture a subtle, luxurious glow • Replaces the traditional tachymeter scale for a high-fashion, jewelry-inspired look
Dial	• Custom emerald green sunburst dial featuring gold-toned snailed sub-dial counters • Polished gold-toned baton hands and applied indices for a high-contrast luxury look • Triple-register layout for 24-hour time, small seconds, and 60-minute stopwatch timing
Strap Material	• Premium 316L stainless steel Oyster-style bracelet with a matching gold PVD finish • Features a double safety clasp with Glidelock for easy manual micro-adjustments • Tapered design that provides a secure, ergonomic, and highly comfortable all-day fit
Water Resistance	• Rated for 30m to 50m (3ATM - 5ATM) depending on specific build gasket seals • Equipped with a screw-down crown and pushers to prevent accidental moisture entry • Fully suitable for daily wear, hand washing, and light surface splashes
Functions	• Central hours, minutes, and a central sweeping mechanical-style chronograph seconds hand • Dedicated sub-dials for precise 60-minute timing and an integrated 24-hour indicator • Instant mechanical zero-reset for a tactile and professional stopwatch experience