SJ Production CH Shockingly Launched Genuine Product: 2025 Latest Quick-Release Blue Balloon Full Series 40mm .1. Heavily Crafted Quick-Release Strap: Easily switch in 10 seconds without tools.2. Fully Automatic Mechanical Movement: Noise-free operation with enhanced battery life.3. Five-Layer Fish-Scale Sapphire Glass: Features blue steel hands.4. Latest Original Mold with Radiating Pattern and Oil-Pressed Dial: Gray background with black oil-based date display.5. Sapphire Crown: Turns into ruby under ultraviolet light.6. Steel Case: Made using 316 CNC technology to ensure no burrs or defects.7. One Card One Code: Three Codes Combined, Non-Repeating, No Glitches.CH will continue to release other sizes of quick-release straps. Genuine comparison images provided. Two watches for one wrist, thoughtfully crafted for watch enthusiasts. Welcome to appreciate SJ's exquisite recommendation for men's mechanical watches.