**Product Specifications:**
**Brand:** FIYTA
**Model:** "Yun-20" Hongyun Edition
**Description:** The FIYTA "Yun-20" is a new generation large transport aircraft independently developed by China. It features long range, heavy payload, and high speed, providing strong support for China's global reach and serving as a key force for future aerial strategic deployment.
**Movement:** Automatic mechanical movement
**Caliber:** FIYTA 9, MACH Yun-20
**Power Reserve:** Approximately 40 hours
**Frequency:** 21,600 vibrations per hour
**Water Resistance:** 10 ATM
**Case:** Stainless steel, silver color
**Case Back:** Aviation-grade titanium with engraved "Yun-20" pattern and "China Great Transport" inscription
**Crystal:** Anti-glare synthetic sapphire
**Dial:** Gradient deep blue with bar markers, date window at 3 o'clock with "Yun-20" inscription, and line drawing
**Strap:** Stainless steel, silver color
**Clasp:** Stainless steel with push-button deployment
**Luminous:** Long-lasting luminous coating on hour markers and broad sword-shaped hands
**Special Features:** Unique red "Yun" calendar window, automatic mechanical movement with date window at 3 o'clock displaying red "Yun" on the 1st of each month, paying tribute to China's great transport capabilities
**Dimensions:** 41mm case diameter, 11.3mm thickness, 20mm lug width
**Reference Number:** GA881025.WLW
*Note: All measurements are approximate and may vary slightly due to manual measurement. Product images are for reference only and may vary due to lighting, angles, and screen color settings.*