Certina 320 (12'''), Center wheel, no: 200

• NOS Certina original part, not in factory packaging.

• Fits cal: 320, 321 (12''').

Data Certina 320

• 15 jewels, manual wind, sub second.
• Size: 12''' 27.0 mm.
• H: = 3.80 mm.
• N: = 18.000 A/h.
• Power reserve: 42 h.

Versions:

• 320: sub second.
• 320B: sub second, date hand.
• 320T: sub second, date.
• 321: sub second, different bridge shapes.
• 321T: sub second, different bridge shapes, date.
• 324: center second.
• 324T: center second, date.