
( Brand: Seiko ), ( Manufacturer Part Number: 225111 ), ( Type: Movement Part ), ( Movement Type: Mechanical ), ( Country Of Origin: Japan )
The **Seiko 5 Sports Automatic (Model 225111, "NOS 225" Cannon Pinion)** is a legendary timepiece that embodies the perfect blend of timeless elegance and rugged functionality, making it a coveted piece among watch enthusiasts and collectors alike. Introduced in 1964 as part of Seiko s groundbreaking 5 Sports collection, this model was one of the first wristwatches to feature an automatic movement with a self-winding mechanism, a technological marvel at the time. The **NOS 225 Cannon Pinion** variant is particularly sought after due to its pristine, never-worn condition, preserving the original factory finish and unaltered patina that only time and careful handling can impart. Crafted with meticulous precision, this watch boasts a **stainless steel case** measuring 36mm in diameter, offering a compact yet substantial presence that sits comfortably on the wrist while exuding confidence. The case is adorned with a **fluted bezel** and a **screw-down crown**, features that not only enhance its aesthetic appeal but also underscore its durability, designed to withstand the rigors of daily wear.
At the heart of the **225111** lies the iconic **Seiko 4R35 automatic movement**, a self-winding caliber that operates with remarkable reliability and efficiency. This movement, known for its **cannon pinion** (a distinctive feature that distinguishes it from later models), is a testament to Seiko s engineering prowess of the era. The cannon pinion, a small but critical component, ensures smooth and consistent power transmission from the rotor to the gear train, contributing to the movement s legendary accuracy and longevity. The dial of the **NOS 225** is a study in understated sophistication, featuring a **white enamel background** that provides a crisp contrast to the **black hour markers** and **luminous hands**, making it effortlessly readable even in low-light conditions. The **applied minute track** and **subdials** one for the date at the 3 o clock position and another for the chronograph seconds at the 6 o clock add functional depth without compromising the watch s clean, sporty aesthetic.
The bracelet of the **225111** is a standout feature, crafted from **stainless steel links** that are both sturdy and elegant, with a slightly textured finish that adds tactile interest. The **fold-over clasp** is secure yet easy to operate, ensuring a snug fit while allowing for quick adjustments. One of the most alluring aspects of a **NOS 225 Cannon Pinion** is its **original factory condition**, where the watch retains its **unpolished, slightly matte caseback** and **unaltered patina** on the movement, a hallmark of true authenticity. This patina, a result of the movement s natural wear over decades, is a subtle reminder of the watch s history and adds character that cannot be replicated by modern polishing or restoration. The **caseback** itself is unscrewed, allowing for easy access to the movement a practical detail that underscores the watch s utilitarian design while also appealing to those who appreciate the art of watchmaking.
Beyond its technical and aesthetic merits, the **Seiko 5 Sports Automatic (225111)** holds a special place in horological history as a symbol of innovation and accessibility. It was one of the first automatic watches to be mass-produced and made affordable for the average consumer, democratizing high-quality timekeeping. Today, the **NOS 225 Cannon Pinion** is not merely a watch but a piece of living history, a tangible connection to an era when Seiko was at the forefront of watchmaking advancements. Its enduring popularity among collectors and enthusiasts is a testament to its timeless design, unmatched craftsmanship, and the unmistakable charm of a truly iconic timepiece. Whether worn as a daily companion or displayed as a centerpiece in a collection, the **Seiko 225111 NOS 225 Cannon Pinion** remains a benchmark of excellence, a blend of heritage and innovation that continues to captivate generations of watch lovers.
The Seiko 5 Automatic (Model No. 225111, also known as the "225 Cannon Pinion") is a classic and highly regarded automatic watch. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.
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### **Pros of the Seiko 5 Automatic (225111)**
1. **Iconic Design and Heritage**
The 225 Cannon Pinion is a legendary model from Seiko s 1960s lineup, designed by the legendary watchmaker Kenji Yamazaki. Its distinctive "cannon pinion" movement (a simplified version of the 5 sports movement) is both visually striking and mechanically robust. The watch embodies mid-century Japanese watchmaking craftsmanship and remains a symbol of Seiko s early success in the automatic watch market.
2. **Reliable and Durable Movement**
The 225 Cannon Pinion uses the **Seiko 5 Sports movement (Cal. 6139)**, a highly refined automatic movement known for its precision, smoothness, and longevity. This caliber is a descendant of the legendary **Seiko 5 (Cal. 6136)**, which was one of the most accurate and reliable automatic movements of its time. The movement is known for its **high beat rate (18,000 vibrations per hour)**, which contributes to its accuracy and smoothness.
3. **High Jewel Count and Quality Components**
The Cal. 6139 features **17 jewels**, which is relatively high for its era, indicating attention to wear reduction. The movement also includes a **parachute balance spring**, which helps maintain accuracy in various positions. The overall build quality is excellent for a watch of this vintage, with robust construction and minimal wear over decades.
4. **Strong Resale Value**
Due to its rarity, historical significance, and enduring popularity, the 225 Cannon Pinion holds its value exceptionally well. Many collectors and enthusiasts seek out this model, making it a solid investment for those who appreciate vintage Seikos.
5. **Versatile Dressing Options**
The 225 Cannon Pinion is available in multiple case sizes (36mm, 38mm, and 40mm) and finishes, including **stainless steel, gold, and silver**. This versatility allows it to be dressed for both casual and formal occasions. The **38mm stainless steel version (Model 225111)** is particularly popular for its balance of size and elegance.
6. **Proven Longevity**
Many examples of the 225 Cannon Pinion have exceeded **50 years** with minimal issues, provided they are well-maintained. The movement s simplicity and robustness contribute to its ability to run reliably for decades with basic servicing.
7. **Cult Following and Community**
The 225 Cannon Pinion has a dedicated fanbase, with many enthusiasts actively restoring, collecting, and sharing knowledge about the model. This community ensures that parts, service information, and restoration guidance are widely available.
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### **Cons of the Seiko 5 Automatic (225111)**
1. **Vintage Movement Limitations**
While the Cal. 6139 is a high-quality movement, it is **not chronometer-certified** and lacks modern precision adjustments. Over time, movements may drift slightly in accuracy, especially if not serviced regularly. Unlike modern automatic watches, it does not have features like **power reserve indicators** or **date complications**.
2. **Potential for Wear and Tear**
As a vintage watch, the 225 Cannon Pinion may show signs of age, such as **dulling of the case finish, slight discoloration of the dial, or minor movement wear**. Some examples may require **restoration work** to bring them back to optimal condition, which can be costly if not done by a specialist.
3. **Limited Availability and High Demand**
Due to its popularity, genuine examples of the 225 Cannon Pinion can be **expensive**, especially in excellent condition. The market is driven by collectors, which can lead to inflated prices for well-preserved specimens. This may deter casual buyers who are not willing to pay a premium for a vintage piece.
4. **Maintenance Requirements**
While the movement is durable, it is **not maintenance-free**. Automatic watches require **regular servicing every 5 7 years** to ensure longevity. If neglected, the movement may develop issues such as **oil degradation, jewel wear, or pallet stone wear**, which can affect performance. Finding a qualified watchmaker familiar with vintage Seiko movements may also be challenging in some regions.
5. **No Modern Features**
Unlike contemporary automatic watches, the 225 Cannon Pinion lacks features such as **water resistance beyond 30 meters (standard for vintage Seikos)**, **rubberized straps**, or **modern case designs**. It is a **purely mechanical timepiece** with no digital or smart features.
6. **Potential for Counterfeits**
The 225 Cannon Pinion s popularity has led to the production of **replicas and counterfeit examples**. Buyers must be cautious when purchasing, ensuring they acquire an **authentic, well-documented example** from a reputable dealer. Common red flags include **poor engraving, incorrect serial numbers, or mismatched components**.
7. **Case and Dial Wear**
Over time, the **case may develop scratches or patina**, and the **dial may fade or develop cracks**. While some collectors appreciate the character of a well-worn vintage watch, others may prefer a restored example, which can be expensive.
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### **Conclusion**
The Seiko 5 Automatic (225111 Cannon Pinion) is a **masterpiece of mid-century Japanese watchmaking**, offering a blend of **heritage, craftsmanship, and reliability**. Its **iconic design, robust movement, and strong resale value** make it a desirable piece for collectors and enthusiasts. However, it is **not a modern watch**, and buyers should be prepared for **maintenance needs, potential wear, and higher costs** associated with vintage timepieces.
For those who appreciate **classic design, mechanical simplicity, and historical significance**, the 225 Cannon Pinion is an excellent choice. It is a **timeless investment** that continues to gain value over time. However, if you seek **modern features, high water resistance, or ease of maintenance**, a contemporary automatic watch may be a better fit.
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### **Recommendation**
**Buy the Seiko 225111 Cannon Pinion if:**- You are a **collector or enthusiast** who values vintage Japanese watchmaking.
- You appreciate **iconic design and mechanical simplicity**.
- You are willing to **invest in maintenance and restoration** to preserve its condition.
- You see it as a **long-term asset** with strong resale potential.
- You prefer a **minimalist, dressable watch** that complements both casual and formal attire.
**Avoid or reconsider if:**- You prioritize **modern features** (e.g., high water resistance, date complications, rubber straps).
- You are not prepared for **regular servicing and potential restoration costs**.
- You are sensitive to **vintage wear** (e.g., dial fading, case patina).
- You cannot afford the **premium price** for an authentic, well-documented example.
For those who decide to purchase, **always buy from a reputable dealer** with a **full history and service records**. Consider having it **serviced and restored** by a specialist in vintage Seiko movements to ensure optimal performance. If you are new to vintage watches, this may be a good opportunity to **learn about watch maintenance and restoration** as part of the ownership experience.
Ultimately, the 225 Cannon Pinion is not just a watch it is a **piece of horological history**, and its value lies as much in its **story and craftsmanship as in its timekeeping**. For the right buyer, it remains one of the most rewarding watches to own.
SEIKO 225 111 Cannon Pinion Watch Parts. In Original Packaging.