CONCORD Caliber 288 Instruction Manual page 8

CALIBER 288
Functions Display • Hours
• Minutes
• Small seconds and 7-day counter
• Chronograph hour and astronomical
• Chronograph minute and 31 day
• 48 months and year at 12 o'clock
• Chronograph seconds in the center
Chronograph Shuttle chronograph mechanism
Date Module Perpetual calendar
Semi-instantaneous action date
Fast date correction
at 9 o'clock
moon counter at 6 o'clock
counter at 3 o'clock
14
Jewels
Components
Number of components
Dimensions
Diameter
Thickness
Frequency
Inertia of the balance
Winding
Power reserve
CALIBER 288
26 rubies and 1 zirconia
436
31 mm
8 mm
28,800 vibrations per hour (4 Hz)
10 mg.cm2
Automatic, Bidirectional
Rotor on ball bearing
Minimum 48 hours
15