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The Rolex 2135‑315 Barrel Complete is an original, Swiss‑made OEM component for the Rolex Calibre 2135 automatic movement. This pre‑assembled mainspring barrel unit includes the barrel, mainspring, and arbor, providing reliable energy storage and consistent torque delivery to the gear train. As a genuine factory part, it is the ideal replacement for a worn or damaged original barrel during movement overhaul.
Genuine Rolex OEM part – 100% authentic, Swiss made, factory‑fresh.
Complete pre‑assembled unit – includes barrel, mainspring, and arbor for drop‑in replacement.
Provides main power reserve – supports 42‑hour power reserve of Calibre 2135.
Consistent torque output – ensures stable timekeeping and amplitude.
Direct replacement – no need to separately handle or lubricate the mainspring.
| Parameter | Value |
|---|---|
| OEM Part Number | Rolex 2135‑315 |
| Compatibility | Rolex Calibre 2135 (also 2130, 2130‑based) |
| Component Type | Barrel Complete (mainspring barrel assembly) |
| Included parts | Barrel, mainspring, barrel arbor |
| Power reserve (movement) | approx. 42 hours |
| Movement frequency | 28,800 vph (4 Hz) |
| Condition | Brand New, Genuine OEM |
| Origin | Swiss Made |
Direct replacement for a worn or damaged barrel during full service of Rolex Calibre 2135.
Suitable for Rolex Lady‑Datejust and midsize Datejust models (ref. 69173, 68273, etc.).
Essential for restoring original power reserve and amplitude.
Q1: Is this a genuine Rolex part?
Yes, it is a 100% authentic, Swiss‑made Rolex OEM component.
Q2: Which calibers is it compatible with?
Rolex Calibre 2135 and related 2130‑based movements.
Q3: Why replace the barrel complete instead of just the mainspring?
Rolex factory service guidelines recommend replacing the entire barrel assembly to ensure correct mainspring pre‑tension, lubrication, and consistent torque delivery for optimal amplitude.
Fast worldwide shipping within 3 business days.
Competitive pricing on Seiko/Hattori calibers.
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