OMEGA 1539 Moon Phase Plate CAL.381
( Brand: Omega ), ( Manufacturer Part Number: 1539 ), ( Compatible Brand: Star, Omega ), ( Type: Movement ), ( Country Of Origin: Switzerland )
Review OMEGA Vintage Original Moon Phase Plate Part #1539
The **Omega Speedmaster Professional Moon Phase Calibre 381** is a masterpiece of horological engineering, seamlessly blending timeless elegance with cutting-edge precision. This iconic timepiece, renowned for its role in space exploration, features the legendary **Calibre 381**, a self-winding mechanical movement that epitomizes Omega s commitment to innovation and craftsmanship. At its core, this movement is a marvel of Swiss engineering, delivering a power reserve of up to **70 hours** and an impressive frequency of **28,800 vibrations per hour**, ensuring unparalleled accuracy and smoothness. The **Moon Phase Complication**, a hallmark of Omega s heritage, gracefully displays the lunar cycle in real-time, with the moon s waxing and waning phases meticulously rendered on a **18-carat gold-plated** or **rhodium-plated** dial, depending on the model. The phase is driven by a **gear train** that operates independently of the timekeeping mechanism, guaranteeing flawless synchronization with celestial movements.
The **Moon Phase Plate** itself is a work of art, crafted from **sapphire crystal** and adorned with a **hand-finished** moon face that shifts subtly with each lunar cycle. The intricate engravings and precise detailing on the plate reflect Omega s dedication to perfection, ensuring that every movement is both functional and visually stunning. This complication is not merely decorative but a testament to the brand s legacy of pushing the boundaries of watchmaking, first introduced in the 1950s and later immortalized during NASA s Apollo missions, where the Speedmaster Professional became the first watch worn on the moon.
Beyond its mechanical brilliance, the **Moon Phase Plate** is a study in contrast and sophistication. The **black or white dial** serves as a striking backdrop for the **applied hour markers**, **Omega s signature "O" logo**, and the **unidirectional rotating bezel** (on certain models), which adds an extra layer of functionality for divers and adventurers alike. The **jewel-set hands**, including the **second hand**, glide effortlessly across the dial, their polished surfaces catching the light with every movement. The **water-resistant case**, typically crafted from **stainless steel**, is designed to withstand pressures of **100 meters**, making this timepiece as durable as it is exquisite.
Whether worn as a symbol of exploration, a tribute to spacefaring history, or simply as a statement of refined horological artistry, the **Omega Speedmaster Professional Moon Phase Calibre 381** transcends its role as a mere timekeeper. It is a **piece of history**, a **testament to human ingenuity**, and a **masterclass in watchmaking**. Each turn of the wrist reveals not just the time, but the passage of the moon a reminder of the universe s grandeur, captured in the precision of a mechanical heart and the elegance of a sapphire-encased lunar phase. For those who appreciate the fusion of science, art, and heritage, this watch is more than an accessory; it is a legacy worn on the wrist.
### **Pros and Cons of buying a Omega Seamaster Diver 300M (Ref. 210.30A.39) with a Moon Phase Complication (Cal.381)**
#### **Pros**
1. **Iconic Design and Heritage** The Omega Seamaster Diver 300M is one of the most recognizable luxury dive watches, with a long history dating back to the 1950s. The Moon Phase complication adds a sophisticated touch, making it a statement piece for collectors and enthusiasts.
2. **High-Quality Movement (Cal.381)** The Seamaster Diver 300M with the Moon Phase complication is powered by Omega s **Co-Axial Escapement Cal.381**, a self-winding mechanical movement known for its precision, durability, and resistance to magnetic interference (up to 15,000 gauss). This makes it highly reliable for daily wear.
3. **Moon Phase Complication** The Moon Phase display is a desirable feature for those who appreciate astronomical complications. It accurately tracks the lunar cycle, adding a unique functional and aesthetic element to the watch.
4. **Dive-Worthy Specifications** The watch is **COSC-certified** (if applicable, though some models may vary), water-resistant to **300 meters**, and features a **helicoid unidirectional rotating bezel** (though the Moon Phase version may have a fixed bezel). This makes it suitable for diving and water-related activities.
5. **Luxury Brand Prestige** Omega is a premium Swiss watchmaker associated with excellence in horology and sports timing. Owning a Seamaster with a Moon Phase complication carries prestige, especially among watch collectors.
6. **Resale Value** Omega watches, particularly limited editions or models with complications, tend to hold or appreciate in value over time, making them a solid investment for serious collectors.
7. **Durability and Craftsmanship** Omega watches are built to last, with high-quality materials (e.g., stainless steel, sapphire crystal) and robust construction. The Moon Phase version maintains the same level of craftsmanship as other Seamaster models.
---
#### **Cons**
1. **High Cost** The Omega Seamaster Diver 300M with a Moon Phase complication is **expensive**, often priced in the **$10,000 $15,000 range**, depending on the year and condition. This makes it a significant financial commitment, especially for those who may not prioritize complications.
2. **Limited Availability** Moon Phase complications are not standard on all Seamaster models. If you re looking for this specific feature, you may need to search for a used or discontinued model, which could be harder to find and may come with higher prices.
3. **Potential for Overcomplication** Some watch enthusiasts argue that complications (like Moon Phases) are unnecessary for a dive watch, which should prioritize **readability, durability, and functionality** over aesthetic extras. The Moon Phase display may not be as critical as a reliable chronograph or tachymeter.
4. **Maintenance and Servicing Costs** Mechanical watches require regular servicing (every **5 7 years**), which can be costly. Omega s servicing fees are higher than some other brands, and the Moon Phase complication may add complexity to maintenance.
5. **Weight and Bulk** The Moon Phase complication adds extra weight and thickness to the watch, which some may find uncomfortable for prolonged wear, especially on a dive watch where a lighter profile is often preferred.
6. **Market Fluctuations** Like all luxury watches, Omega s value can fluctuate based on market trends, brand reputation, and demand. While generally stable, there s always a risk of depreciation if the brand faces challenges.
7. **Alternative Options** If the Moon Phase is the primary selling point, there may be more affordable alternatives with similar complications (e.g., **Rolex Datejust with Moon Phase, Grand Seiko SBGA911, or Patek Philippe Moon Phase models**), though none match Omega s dive heritage.
---
### **Conclusion**
The Omega Seamaster Diver 300M with a Moon Phase complication (Cal.381) is a **high-end, luxury timepiece** that combines **dive-worthy specifications, a prestigious brand name, and a sophisticated astronomical feature**. It is ideal for:
- **Watch collectors** who appreciate Omega s heritage and complications.
- **Enthusiasts** who value both functionality (dive rating, reliability) and aesthetics.
- **Investors** who see potential in Omega s long-term value retention.
However, it is **not the best choice** for:- **Budget-conscious buyers** who may find similar features in more affordable watches.
- **Minimalists** who prefer simple, no-frills dive watches.
- **Those who prioritize weight and portability** over complications.
If you are **serious about collecting, diving, and investing in a premium watch**, this model is an excellent choice. If you prefer **simplicity, lower cost, or alternative complications**, exploring other Omega models (e.g., standard Seamaster Diver) or brands may be more suitable.
### **Final Recommendation**
**Buy if:**- You are a **dedicated watch collector** or dive enthusiast willing to invest in a high-end timepiece.
- The **Moon Phase complication** is a **must-have** feature for you.
- You appreciate **Omega s reliability, heritage, and resale value**.
**Avoid if:**- You are **price-sensitive** and can find similar features elsewhere at a lower cost.
- You **prioritize minimalism** over complications in a dive watch.
- You **prefer lighter, more portable** timepieces for daily wear.
For most buyers, this watch is a **premium purchase** rather than a necessity, so ensure your decision aligns with your **long-term goals and budget**. If you can afford it and truly value the combination of dive capabilities and Moon Phase elegance, it remains one of the most desirable luxury watches available.
Details:
Don't pass this up. Vintage Omega Part. The part is new-old stock, never used.
part #: 1539 prices
- $19.95-$50.00
specifications movementparpar:
- brand: Omega
- mpn: 1539
- compatible brand: Star, Omega
- type: Movement
- country of origin: Switzerland
payments movementparpar:
- wallet: Paypal
- other
- credit card: Diners-club
seller movementparpar:
- city: Oklahoma City, Oklahoma
- rating: 99.8%
- # reviews: 31465
shipping movementparpar:
- class: Standard
- transit: 4-10 Days
- carrier: USPS
- cost: $8.60
- type: Calculated
- service: USPS Ground Advantage
returns movementparpar:
- policy: No Returns
offer movementparpar:
- started: May 29, 2026
- availability: In Stock
- quantity: 2
- sold: 0
- options: Ship-to-home
general movementparpar:
- Parts, Tools Guides > Parts > Movements
- condition: New without tags
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