Type XX flyback chronograph in steel. Self-winding movement with date and subdial for the seconds. Balance spring in silicon. 15-minute and 12-hour counters. Bidirectional graduated rotating bezel. Luminescent hands and hour-markers. Sapphire caseback. Water-resistant to 10 bar (100m). Diameter: 42mm.
Available with two interchangeable straps: one in calfskin and another in NATO fabric. A rapid interchange system allows the wearer to easily and independently switch from one strap to another.

Technical specifications

Movement

• Winding : Self-winding
• Power reserve (hours) : 60
• Calibre : 728
• Lines : 14
• Jewels : 39
• Frequency : 5
• Balance-wheel : Breguet
• Escapement : Spiral flat and lever silicon
• Balance-spring : flat, silicon
• Oscillating weight : 18 Carats
• Number of components : 350

Case

• Metal : Steel
• Skeleton : No
• Sapphire caseback : Yes
• Case shape : Round
• Diameter (mm) : 42
• Case thickness (mm) : 14.1
• Water-resistant (m) : 10 Bar (100 m)