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ETA 6497-1 vs 6497-2 differences

ETA Unitas Caliber 6498-1 VS. 6498-2

Eta 6498 1 2 Differences

What is the difference between caliber 6498-1 and 6498-2?

There are two variations of the ETA/Unitas 6498 including the 6498-1 and 6498-2. The -1 beats at 18,800vph while the -2 beats at 21,600vph and is COSC. The -2 typically costs more.

Part Interchangeability

Please allow us to interrupt your gear turning and caliber learning to say thank you. Thank you for being here! Now, back to the movement..

There are some differences in parts as well. This was outlined by lysanderxiii on wus:

The -2s (operating at 21,600 bph) have the following interchangeable with the slower -1s:

  • Pallet Bridge
  • Stem
  • Sliding Pinion
  • Winding Pinion
  • Crown Wheel Ring
  • Click Spring
  • Yoke Spring
  • Setting Wheel
  • Intermediate Setting Wheel
  • Case screw

Have you noticed any other differences? Please comment below.

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ETA/Unitas Caliber 6498-2 Watch Movement | CaliberCorner.com

[…] The main difference between the 6498-1 and the 6498-2 is that the -1 beats at 18,800vph while the -2 beats at 21,600vph. Click here to learn more. […]

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ETA/Unitas Caliber 6498-1 Watch Movement | CaliberCorner.com

[…] The main difference between the 6498-1 and the 6498-2 is that the -1 beats at 18,800vph while the -2 beats at 21,600vph. Click here to learn more. […]