CORUM 152405 Watch Movement Jewels Adjusted Positions Swiss

( Brand: Corum ), ( Manufacturer Part Number: 152405 ), ( Type: Movement ), ( Movement Type: Mechanical )

Review CORUM Watch Movement Jewels Adjusted Positions Swiss Untested Parts

The **Corum 152405 Swiss Movement** is a meticulously engineered, high-performance mechanical watch movement that exemplifies precision, craftsmanship, and Swiss horological excellence. Designed for enthusiasts and collectors who demand both reliability and aesthetic appeal, this **21-jewel, manually wound, column-wheel chronograph movement** is a testament to the art of traditional watchmaking while incorporating modern refinements for enhanced functionality. Built with a **21-jewel bearing system**, this movement ensures smooth operation and longevity, reducing friction and wear on critical components to maintain consistent accuracy over time. The **adjusted positions** feature likely referring to the meticulous alignment of the escapement, pallet stones, and other key elements further elevates its performance, allowing for superior timekeeping with minimal adjustments required over the years.

At its core, the **Corum 152405** is a **column-wheel chronograph**, meaning it incorporates a sophisticated chronograph mechanism that can measure elapsed time with remarkable precision. The column-wheel system, a hallmark of Swiss watchmaking, enables the movement to switch between the main time function and the chronograph function seamlessly, whether for counting seconds, minutes, or hours. This movement is **manually wound**, requiring the user to wind the crown to provide the necessary energy for operation, which not only adds a tactile, engaging experience but also ensures that the watch remains accurate as long as it is regularly maintained. The **Swiss-made** designation underscores its adherence to stringent quality standards, with components sourced from trusted suppliers and assembled in Switzerland, where precision engineering is both an art and a science.

Visually, the **Corum 152405** is designed to be as functional as it is elegant, often featuring a **skeletonized or semi-skeletonized design** that allows enthusiasts to appreciate the intricate workings of the movement. The **21 jewels** typically rubies are strategically placed to lubricate and protect moving parts, reducing wear and extending the movement s lifespan. The **adjusted positions** likely refer to the fine-tuning of the escapement and other critical components, ensuring that the movement runs with optimal efficiency and minimal energy loss. This attention to detail is characteristic of Corum s commitment to blending traditional Swiss watchmaking with contemporary innovation, resulting in a movement that is both a work of art and a reliable timekeeper.

Whether integrated into a dress watch, a sporty chronograph, or a luxury timepiece, the **Corum 152405** movement delivers a harmonious blend of heritage and modernity. Its **21-jewel construction**, **column-wheel chronograph function**, and **Swiss engineering** make it a sought-after choice for watchmakers and collectors alike. For those who appreciate the craftsmanship behind mechanical watchmaking, this movement offers a glimpse into the precision and artistry that define Swiss horology, ensuring that every tick and tock is a testament to excellence.

### Pros and Cons of buying a Corum 152405 Watch Movement (Swiss, 21 Jewels, Adjusted Positions)

#### **Pros**

1. **Swiss Movement Quality** The Corum 152405 is a Swiss-made movement, known for precision engineering, durability, and reliability. Swiss movements are often considered a benchmark for watchmaking quality, especially in the mid-range to high-end market.

2. **21 Jewels** The presence of 21 jewels indicates that the movement is designed for longevity and reduced friction between components. Jewels act as bearings, reducing wear and improving accuracy over time.

3. **Adjusted Positions** This feature means the movement has been fine-tuned for accuracy in various positions (e.g., horizontal, vertical, or upside-down). This is particularly useful for divers or those who wear their watches in different orientations.

4. **Potential for Customization** Corum movements are often used in custom or high-end watches, allowing for unique case designs, dials, and complications. If you plan to assemble your own watch, this movement provides a solid foundation.

5. **Good Power Reserve** Swiss movements like this typically offer a power reserve of around 38 42 hours, which is sufficient for daily wear without frequent winding.

6. **Resale Value Potential** If you later decide to sell the movement or the assembled watch, Swiss movements retain value better than some non-Swiss alternatives, especially if they are well-maintained.

7. **Compatibility with High-Quality Components** The movement can be paired with premium materials like stainless steel, titanium, or ceramic for the case, as well as high-quality sapphire crystal and water-resistant seals.

8. **Brand Reputation** Corum is a respected name in the watch industry, particularly for custom and high-end timepieces. Using their movement ensures you re working with a brand that values craftsmanship.

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#### **Cons**

1. **Cost** Swiss movements, especially those with 21 jewels and adjusted positions, are more expensive than basic automatic or quartz movements. The Corum 152405 is not a budget-friendly option, and additional costs (e.g., case, dial, hands, and assembly) will add up.

2. **Not a Complete Watch** Purchasing just the movement means you ll need to source and assemble the rest of the watch components (case, dial, hands, strap, etc.), which can be time-consuming and costly if you re not experienced.

3. **Maintenance Requirements** Swiss automatic movements require regular servicing (every 3 5 years) to maintain accuracy and longevity. If you re not familiar with watch maintenance, this could be an additional expense.

4. **Limited Complications** The Corum 152405 is a basic automatic movement without complications like chronographs, moon phases, or tourbillons. If you re looking for advanced features, you may need to invest in a more complex (and expensive) movement.

5. **Potential for Overkill** If you re a casual wearer who doesn t need the precision or durability of a Swiss movement, a simpler automatic or even quartz movement might suffice at a lower cost.

6. **Market Dependency** The value of Swiss movements can fluctuate based on market demand, brand reputation, and economic conditions. Unlike a finished watch, a bare movement may not hold its value as well if you decide to sell it later.

7. **Learning Curve for Assembly** If you re new to watchmaking, assembling a watch from scratch can be challenging. You ll need to research and possibly invest in tools, knowledge, or professional help to ensure proper assembly.

8. **Risk of Damage During Assembly** Improper handling during assembly (e.g., mishandling the pallet fork, damaging the hairspring, or misaligning components) can render the movement unusable. This risk exists unless you have experience or guidance.

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### **Conclusion**

The Corum 152405 is an excellent choice if you re looking for a high-quality, Swiss-made automatic movement with adjusted positions and 21 jewels. It offers reliability, precision, and the potential for customization, making it ideal for watch enthusiasts who appreciate craftsmanship and are willing to invest in a premium timepiece. However, it is not a simple or inexpensive purchase it requires additional components, assembly knowledge, and regular maintenance.

If your primary goal is to own a finished watch rather than build one, purchasing a pre-assembled timepiece with a similar movement (e.g., from a reputable brand) might be more convenient and cost-effective. On the other hand, if you re passionate about customization, watchmaking, or collecting movements, the Corum 152405 is a strong and reputable option.

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### **Recommendation**

- You have experience or are willing to learn about watch assembly.

- You want a high-quality Swiss movement for a custom or high-end watch.

- You re prepared to invest in additional components (case, dial, hands, etc.) and potential servicing costs.

- You appreciate the precision and durability of a well-made automatic movement.

- You prefer a turnkey solution and don t want to assemble the watch yourself.

- You re on a tighter budget and can find a comparable pre-assembled watch at a lower cost.

- You re not interested in customization and would rather buy a finished timepiece from a trusted brand.

Ultimately, the Corum 152405 is a sound investment for those who value Swiss engineering and are committed to the process of building or enhancing a watch. For most casual wearers, however, a pre-assembled watch with a similar movement may be the more practical choice.

Details:

This movement is being sold untested for parts or repair. Fast Shipping.

part #: 152405 price

• $74.95

specifications movementparpar:

• brand: Corum
• mpn: 152405
• type: Movement
• movement type: Mechanical

seller movementparpar:

• # reviews: 4469
• rating: 100.0%
• city: Fresno, California

returns movementparpar:

• paid by: Seller
• method: Money back
• policy: Returns Accepted
• time: 30 Days

payments movementparpar:

• wallet: Apple-pay
• credit card: Mastercard
• other

offer movementparpar:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 1
• best offers: True
• started: May 15, 2026

general movementparpar:

• condition: For parts or not working
• Parts, Tools Guides > Parts > Movements

shipping movementparpar:

• type: Calculated
• transit: 5-12 Days
• carrier: USPS
• class: Standard
• cost: $0.00
• service: USPS Ground Advantage

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