Ronda Watch Movement 4003B DT12 3H 

• Outside Diameter: 12 1/2 Ligne or 28.5 mm
  
• Movement 4.40 mm thick
• Big Date with Direct Change from 31 to 01 at 12:00
• Dial is white
• The height from the bottom of the watch movement to the top of the sweep second pinion is 5.9mm
• Gold plate
• Requires watch cell 395
• 3 handed movement
• Requires watch hands: hour 1.50, minute .90, and sweep second .25mm
• Has 6 jewels
• Stem: 401-1588, Tap 10
• Includes watch stem
• Harley Ronda quartz movement
• Swiss parts