Any Rolex Pros Know About the Old Air-King?

Jan 11, 2020,21:49 PM

Hi guys, does anyone know if the Rolex Air-King 114200 has a silicone hairspring in the movement? I think its the Rolex 3130 movement. Thanks


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No. 3130 has a hairspring with 85% niobium and 15% zirconium

 By: kjell_watchmaker : January 12th, 2020-13:38
- but it is actually blue colored - that’s probably where the confusion could come from.