257 ISA

ISA 2 Hand Quartz Watch Movement ISA257 

• Outside Diameter: 5 1/2 x 6 3/4 Ligne or 13.0 x 15.3mm
• Movement 2.60mm thick
• The height is 3.7mm
• Requires watch cell 321
• 2 hand movement
• Requires watch hands: hour 1.0, and minute .55mm
• Supplied with stem: 401-1465, Tap 10
• Replaces discontinued movement ISA 258
• Includes watch stem
• Has 2 jewels
• ISA quartz movement
• Swiss Made