Hattori Japan 2 Hand Quartz Watch Movement Y120 

• Outside Diameter: 6 3/4 x 8 Ligne or 15.3 x 18.1mm
• Movement 2.70mm thick 
• The height  is 4.2mm
• Requires watch cell 377
• Requires watch hands: hour 1.10 and minute .65mm
• Has NO jewels
• Stem: 354786, Tap 10
• Includes watch stem 
• Hattori Japan quartz movement
• Japanese assembled