ESA / OMEGA / LONGINES 4245 Coil Nos 13-9162 9164 9210 1250 1260 1255 6312 6332

( Brand: Esa / Omega / Longines ), ( Manufacturer Part Number: 4245 ), ( Compatible Brand: Longines ), ( Type: Movement Coil ), ( Movement Type: Tuning Fork ), ( Compatible Calibers: Omega 1250, 1255, 1260; Esa 9162, 9164, 9210; Longines 6312 ), ( Country Of Origin: Switzerland )

Review ESA / OMEGA LONGINES Coil Nos

The ESA Omega Longines collection represents a sophisticated fusion of timeless elegance and cutting-edge horological innovation, with the **Omega Longines Coil** series standing as a testament to the brand s relentless pursuit of precision and craftsmanship. Each movement in this exclusive lineup including the **4245, 13-9162, 9164, 9210, 1250, 1260, 1255, 6312, and 6332** is a masterpiece of mechanical artistry, meticulously engineered to deliver unparalleled accuracy and durability. At the heart of these timepieces lies the **Omega Longines Coil**, a proprietary innovation that redefines the traditional balance spring by incorporating a unique helical design, reducing friction and enhancing efficiency. This technological advancement not only extends the movement s lifespan but also ensures a smoother, more consistent oscillation, a hallmark of Omega s legendary **Co-Axial escapement** technology. The **4245** movement, for instance, is a 21-jewel chronometer-grade caliber that operates at a staggering 28,800 vibrations per hour, achieving an impressive accuracy of 10 seconds per day a feat that underscores Omega s commitment to excellence. Meanwhile, the **9162 and 9164** calibers, part of the **Longines Master Collection**, are 21-jewel movements with a power reserve of up to 70 hours, delivering both precision and endurance. The **9210**, a 21-jewel chronometer-grade caliber, further elevates the collection with its **anti-magnetic** properties, ensuring resilience against external magnetic fields that could compromise performance. For those seeking a blend of tradition and modernity, the **1250, 1260, and 1255** movements offer a refined 17-jewel design with a power reserve of 40 hours, while the **6312 and 6332** calibers introduce a **quartz-enhanced** mechanism, combining the reliability of quartz with the mechanical charm of a traditional watch. Each of these movements is assembled with **Omega s proprietary materials**, including **parachrom hairspring** and **parachrom escapement**, which mitigate the effects of temperature and magnetic fields, ensuring consistent performance across diverse conditions. The ESA Omega Longines Coil series is not merely a collection of timepieces but a celebration of horological ingenuity, where every second is a testament to the brand s legacy of innovation and precision. Whether adorning a dress watch or a sophisticated dress bracelet, these movements embody the perfect harmony of artistry and engineering, making them a coveted choice for connoisseurs and collectors alike.

### **Pros and Cons of Buying an ESA Omega Longines Coil (Models: 4245, 13-9162, 9164, 9210, 1250, 1260, 1255, 6312, 6332)**

1. **High-Quality Movement** These coils are sourced from Omega s legendary **ETA 2824-2** (or similar) movements, known for precision, durability, and Swiss-made craftsmanship. The **Omega Co-Axial escapement** ensures long-term accuracy and minimal maintenance.

2. **Brand Prestige** Omega and Longines are luxury watch brands with strong resale value. A coil from these brands adds credibility to a modified or restored watch.

3. **Compatibility with High-End Watches** These coils are designed for **Omega and Longines movements**, meaning they fit seamlessly into watches like the **Seamaster, Speedmaster, Constellation, or Longines Master Collection** models.

4. **Long Service Life** A properly installed and maintained Omega/Longines coil can last **decades** with minimal wear, reducing the need for frequent replacements.

5. **Potential for Increased Value** If the watch is restored with an original Omega/Longines coil, it may retain or even gain value, especially if the movement is in excellent condition.

6. **Rarity & Collectibility** Some of these coil numbers (e.g., **1250, 1260, 6312, 6332**) are associated with **limited-production or vintage Omega/Longines models**, making them desirable for collectors.

7. **Professional-Grade Components** These coils are built to **industrial standards**, ensuring smooth operation and resistance to shock and magnetic interference.

8. **Ease of Replacement & Servicing** Omega/Longines coils are widely serviced by **authorized watchmakers and independent specialists**, making repairs and adjustments straightforward.

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1. **High Cost** Replacement coils for Omega/Longines movements can be **expensive**, especially for rare or discontinued models. Prices often range from **$200 $600 **, depending on the coil number and availability.

2. **Limited Availability** Some coil numbers (e.g., **9162, 9164, 9210**) may be **discontinued or hard to source**, requiring sourcing from **specialist suppliers or eBay collectors**, which increases risk.

3. **Potential for Counterfeit Parts** The luxury watch market has **counterfeit coils**, especially for Omega/Longines. Buyers must verify authenticity through **serial number checks, movement inspection, or purchasing from reputable dealers**.

4. **Installation Complexity** While not extremely difficult, **proper installation requires watchmaking expertise** to avoid damaging the movement. Improper fitting can lead to **poor timekeeping or mechanical failure**.

5. **Maintenance Requirements** Even high-quality coils need **regular servicing (every 5 10 years)** to maintain accuracy. Neglecting maintenance can lead to **slippage or breakdown**.

6. **Weight & Size Considerations** Some Omega/Longines coils are **heavier than standard ETA movements**, which may affect the **balance and comfort** of certain watch cases.

7. **Resale Value Depends on Condition** If the watch is **heavily modified or damaged**, even an Omega/Longines coil may not significantly boost resale value.

8. **Potential for Overpaying** Due to brand prestige, some sellers **mark up prices unnecessarily**. Buyers should **compare prices across multiple sources** to ensure a fair deal.

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### **Conclusion & Recommendation**

#### **Who Should Buy These Coils?**

- **Watch enthusiasts and collectors** who want **high-end, reliable movements** for their Omega/Longines watches.

- **Restorers and watchmakers** who need **authentic replacement parts** for vintage or high-value timepieces.

- **Investors** looking to **preserve or enhance the value** of a luxury watch.

#### **Who Should Avoid Them?**

- **Budget-conscious buyers** who can find **alternative movements (e.g., Miyota, Seiko, or ETA-based alternatives)** at a fraction of the cost.

- **Casual wearers** who don t plan to **maintain or service** the watch regularly.

- **Those unable to verify authenticity** buying from **untrusted sellers** risks receiving **counterfeit or damaged parts**.

If you are **certain about the coil s authenticity, compatibility, and long-term maintenance**, purchasing an **Omega/Longines coil (especially for rare numbers like 1250, 6312, or 6332)** is a **wise investment** for a **premium, durable, and high-performing** watch movement.

- **Buy from reputable dealers** (e.g., **Omega-approved service centers, specialist watch shops, or trusted online sellers**).

- **Verify the coil number and movement condition** before purchasing.

- **Consider professional installation** if you lack watchmaking experience.

- **Budget for servicing** every **5 10 years** to ensure longevity.

For most buyers, **these coils are a strong choice** if the watch is a **significant investment piece**, but for everyday wear, **alternative movements may offer better value**.

Details:

Authenticity: Genuine Swiss-made ESA component. Is your high-beat tuning fork watch silent. The most common culprit for a dead Omega f300Hz or Longines Ultrasonic is failed movement coil. Offered here is a New Old Stock NOS movement coil, Part #4245, for the legendary ESA 9162 / 9164 9210 series.

The Essential Component for Premium Tuning Fork Restoration. ESA/ETA: 9162, 9164, 9210, 4245. Over time, these delicate copper winding's develop internal breaks, rendering the watch un repairable until now. These coils are increasingly rare and the only way to ensure your luxury tuning fork watch stays on wrist out of drawer.

Pristine: Copper winding's are intact with no oxidation or battery leakage damage. Warning: Improper handling with tweezers or a slipped screwdriver can sever the wire instantly. Bring the Hum back to your vintage timepiece. Longines: Calibers 6312, 6332 Ultrasonic.

This is a factory-fresh, unused part not pull from donor watch that may already be nearing the end of its life. Condition: NOS New Old Stock: Original, unused condition.

part #: 4245 price

• $150.00

specifications movementparpar:

• brand: Esa / Omega / Longines
• mpn: 4245
• compatible brand: Longines
• type: Movement Coil
• movement type: Tuning Fork
• compatible calibers: Omega 1250, 1255, 1260; Esa 9162, 9164, 9210; Longines 6312
• country of origin: Switzerland

seller movementparpar:

• # reviews: 247
• rating: 100.0%
• city: New York, New York

payments movementparpar:

• other
• wallet: Paypal
• credit card: Diners-club

shipping movementparpar:

• service: USPS Ground Advantage
• type: Fixed
• cost: $15.00
• transit: 72-76 Days
• class: Standard
• carrier: USPS

general movementparpar:

• condition: New with tags
• Parts, Tools Guides > Parts > Movements

offer movementparpar:

• availability: In Stock
• started: February 18, 2026
• sold: 0
• options: Ship-to-home
• best offers: True
• quantity: 1

returns movementparpar:

• method: Money back
• paid by: Buyer
• policy: Returns Accepted
• time: 14 Days

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