Specifics:

• Sold individually
• Ronda 509
• 10 1/2 Ligne
• 3 Hands
• Big Date 3
• Outside Diameter: 23.3mm
  
• Overall Height: 4.46mm
• Thickness: 3.00mm
• Requires Watch Battery 371
• Watch hands: 70/120/20
  
• Stem: S401-2004, Tap 10
• 1 Jewel
• Harley Ronda Quartz Movement