Seiko Credor Spring Drive Sonnerie - Sound & Motion

Spring Drive Sonnerie caliber, 7R0
Hour striking function
Three modes selectable: chiming every hour on the hour/chiming every three hours/silent
Hour repeating function
Power reserve indicators: Two. One each for the watch mechanism and the bell mechanism
Wind-up method: Manual-winding 12 o'clock direction for watch / 6 o'clock direction for the bell
Time accuracy: Monthly rate within ±15 sec (equivalent to a daily rate of ±1 sec)
Power reserve (watch mechanism): Approx. 48 hours
Power reserve (bell mechanism): More than 40 hours
Number of jewels: 88
Movement diameter: 37.0 mm
Movement thickness: 7.05 mm
617 components

Category:

Science & Technology

Tags:

• Seiko
• Credor
• Spring
• Drive
• Sonnerie
• Sound
• Motion
• Horology
• Watchmaker
• Japan