Caliber 315 S QR

Self-Winding Movement With Date And Sweep Seconds

Description

Self-Winding Movement With Date And Sweep Seconds.
Caliber 315 has a self-winding mechanism powered by a central 21K. gold rotor which has a high degree of efficiency.
The difference between calibers 330 and 315 relates to the diameter of the date disc.
In caliber 330, it was slightly reduced to allow the date aperture of the Nautilus and Aquanaut models to be positioned closer to the center of the dial.

Technical Specifications

• Perpetual calendar with retrograde date hand.
• Day, month, leap year in apertures.
• Moon phases.
• Center sweep second hand.
• Overall diameter: 28 mm
• Height: 5.25 mm
• 30 jewels, 9 bridges.
• Balance: Gyromax
• Vibrations per hour: 21'600
• Power reserve: 48 h max
• Number of parts: 361
• 21K gold central rotor.