Omega Caliber 1040 Part Number 1735 (Friction Spring for Chronograph Runner)

Omega Screw for Chronograph Bridge for Omega Caliber 320 Part Number 2037

Omega Caliber 320 Part Number 1751 (Pusher Spring for Zero Action)

Omega Caliber 630 Part Number 1255 (Friction Spring For Sweep Second Pinion)

Omega Caliber 590 Part Number 1255 (Friction Spring For Sweep Second Pinion)

Omega Caliber 350 Part Number 1255 (Friction Spring For Sweep Second Pinion)

Omega Caliber 420 Part Number 1255 (Friction Spring For Sweep Second Pinion)

Omega 861 - 1873 part 1735 friction spring f/ chronograph runner (no screw