ISA caliber 2330 is 0 jewel quartz movement. ISA refers to this as a multi-function movement because it features a GMT hand, alarm, day, date, and power reserve indicator.

 ISA 2330 is a basic 3 hands movement with a date. ISA labels the caliber 2330 as Swiss made or Far East. Both have 0 jewels.

 Functions: Hours, minutes, central seconds, date possible at 3:00, 6:00, or 9:00 (big date at 3:00 or 6:00 also possible)

Specifications:

• Manufacturer : ISA
• Caliber #: 2330
• Type: Quartz
• Diameter:  10 1/2”’ (23.30mm)
• Height:  2.95mm
• Battery Cell Number: 371 (SR920SW)
• Battery Life 66 months
• Stem:  401-1610 (tap 10)
• Hand Sizes: 1.20mm / 0.70mm / 0.20mm
• Country of Manufacture:  Switzerland or Far East