Watch Specifications:

• Movement: Ultra-thin Automatic Mechanical Movement
• Case: 316L Stainless Steel
• Bezel: 316L Stainless Steel
• Crown: 316L Stainless Steel, Push-in Type, J-20 Tailpipe Design
• Crystal: Single-sided Anti-reflective Synthetic Sapphire, Flat
• Dial: Horizon Blue, Sunburst Finish, Gradient; Numeric and Bar Hour Markers (Luminous); J-20 Line Drawing at 6 o'clock; Date Window at 3 o'clock
• Hands: Broad Sword-Shaped Hour and Minute Hands (Luminous); Second Hand (with Red Tip and Fighter Jet Silhouette Pattern)
• Strap: 316L Stainless Steel
• Case Back: 316L Stainless Steel, Screw-in; Engraved J-20 Weapon Bay Pattern, J-20 Chinese Characters, and Five-star Logo
• Case Diameter: 42mm
• Thickness: 9.9mm
• Buckle: 316L Stainless Steel, Push Button Safety Clasp
• Strap Width: 20mm
• Water Resistance: 10ATM
• Standards: Meets GB/T 30106 "Watches - Water-resistant Watches" (10bar); GB/T 26716 "Watches - Anti-magnetic Watches" (4800A/m)
• Attributes: Custom Aviation Aluminum Alloy Flight Box, Includes a J-20 Model, Signature Card from the J-20 Chief Designer