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This is a pre-assembled genuine OEM barrel complete (Ref. 2230-315), containing the mainspring, barrel, and arbor as one integrated unit, for the Rolex Calibre 2235 automatic movement and its no-date variant Calibre 2230. Swiss-made, it serves as the primary energy storage and release system, converting rotor energy into controlled power driving the gear train. A drop-in replacement, eliminating mainspring re-greasing or recalibration.
Model: Rolex 2235-315 (also 2230-315)
Type: Barrel Complete
Compatible with: Rolex Calibre 2235 / 2230
Includes: Mainspring, barrel, arbor
Features: Pre-assembled, drop-in, no re-greasing needed
Origin: Made in Swiss
1. Is it genuine?
This is an aftermarket part, not in original packaging, but dimensions and specifications exactly match the original.
2. How is the quality?
Integrated complete unit, delivering controlled power without re-greasing or recalibration.
3. What is it suitable for?
Ideal as a barrel replacement for Calibre 2235 / 2230.
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