Omega 26.5-1305, Escape 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.
• 26.5SOB PCT2:                 Compensation balance, minor mod.
• 26.5T2PC:                         Compensation balance, shock protection.
• 26.5T3:                              Mono metallic balance, minor mod.
• 26.5T3PC:                         Mono metallic balance, shock protection, minor mod.
• 26.5T3PCT1: = cal: 100:    Mono metallic balance, antimagnetic, incabloc.