Omega 26.5-1243, Fourth wheel, NOS

• OMEGA original part, NOS from an old assortment.
  

• Fits all cal: 26,5
  

Versions:

• 26,5 SOB: Compensation balance.
• 26,5 SOB T1: Compensation balance, minor mod.
• 26,5 SOB T2: Compensation balance, minor mod.
• 26,5 SOB PC T2: Compensation balance, minor mod.
• 26,5 T2 PC: Compensation balance, shock protection.
• 26,5 T3: Mono metallic balance, minor mod.
• 26,5 T3 PC: Mono metallic balance, shock protection, minor mod.
• 26,5 T3 PC T1: = cal: 100, Mono metallic balance, antimagnetic, incabloc.