Rolex 3130/3135/3155/3186/3187-570 Movement Rotor Oscillating Weight

Product Description

Rolex 3130/3135/3155/3186/3187-570 Rotor​ — oscillating weight for 31-series automatic movements, converting wrist motion into mainspring winding via bidirectional rotation.

Specifications

• Type: automatic rotor / oscillating weight
• Fitment: Cal. 3130, 3135, 3155, 3186, 3187​
• Winding: bidirectional
• Construction: central rotor + rotor core + reversing train
• Material: genuine Rolex metal rotor

FAQ

1. Is it genuine?

This is an OEM-specification replacement part, not in Rolex packaging, but dimensions and function exactly match the original.

2.Quality difference?

Genuine rotors give better balance, higher winding efficiency, long-term stability. Poor aftermarket copies may cause noise, slack fit or reduced winding.

3.Will it fit my movement?

Yes for 3135-family calibers​ (3130/3155/3186/3187). Not for 32xx movements or older 30xx series.

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