Caliber CH 28-520 C

Self-winding movements

Description

Technical Specifications

• Caliber CH 28-520 C.
• Total diameter: 30 mm
• Thickness: 6.63 mm
• Jewels: 35
• Number of parts: 327
• Power reserve: 55h max.
• Balance-wheel: Gyromax
• Vibrations per hour: 28800
• Geneva Seal Hallmark.