The Patek Philippe Annual Calendar Ref. 4947/1A: A Modern Classic in Steel
Jun 02, 2025
Discover why this blue-dial masterpiece represents the pinnacle of accessible haute horlogerie
When Patek Philippe introduced the Annual Calendar complication in 1996, they revolutionized the luxury watch landscape by creating a sophisticated complication that bridges the gap between simple and perpetual calendars. Today, we're thrilled to showcase an exceptional example of this innovation: the Patek Philippe Annual Calendar Reference 4947/1A in excellent pre-owned condition.
The Beauty of Blue: A Dial That Captivates
The stunning blue dial of this 4947/1A immediately commands attention. Patek Philippe's mastery of dial creation is evident in every detail – from the subtle sunburst finish that catches light at different angles to the perfectly balanced layout of subdials and apertures. The blue hue strikes the perfect balance between sporty elegance and dress watch sophistication, making it equally at home in the boardroom or at weekend gatherings.
The applied gold hour markers and hands create a beautiful contrast against the blue backdrop, while the white date numerals in the apertures provide excellent legibility. This isn't just a watch face – it's a work of art that tells time.
Annual Calendar: The Perfect Complication
What makes the annual calendar so special? Unlike a simple date watch that requires monthly adjustment, or a perpetual calendar that costs significantly more, the annual calendar automatically adjusts for months with 30 and 31 days. It only needs one correction per year – at the end of February.
The 4947/1A displays:
- Day and Month: Clearly shown in apertures at 12 o'clock
- Date: Large, easy-to-read window at 3 o'clock
- Moon Phases: Beautifully rendered at 6 o'clock
- 24-Hour Indication: Practical subdial at 9 o'clock
This level of functionality wrapped in Patek Philippe's legendary finishing makes the annual calendar one of the most practical luxury complications available.
Steel Case: Rare and Highly Sought After
While Patek Philippe is renowned for their precious metal cases, steel versions like this 4947/1A are exceptionally rare and highly coveted by collectors. The 37mm case strikes the perfect size balance – substantial enough to showcase the complex dial layout while remaining elegant on the wrist.
The case construction demonstrates Patek Philippe's attention to detail, with beautifully finished surfaces that transition seamlessly from polished to brushed areas. The proportions are simply perfect, creating a watch that wears comfortably while making a sophisticated statement.
Movement Excellence: Caliber 315 S IRM QA LU
Beneath the captivating dial beats the Caliber 315 S IRM QA LU, a self-winding movement that represents decades of Patek Philippe innovation. This movement features:
- Ultra-thin profile allowing for the elegant case proportions
- Gyromax balance for superior timekeeping accuracy
- 22k gold micro-rotor for efficient winding
- Power reserve of approximately 48 hours
Investment Perspective: Why the 4947/1A Matters
From a collector's standpoint, the 4947/1A represents exceptional value in the Patek Philippe lineup. Steel annual calendars from Patek Philippe are increasingly rare, as the manufacture has shifted focus to precious metals for most complications. This scarcity, combined with the practical nature of the annual calendar, makes pieces like this highly sought after.
The blue dial variant adds another layer of desirability – blue has become one of the most popular dial colors sought after by watch collectors, and Patek Philippe's execution is simply unmatched.
Condition and Provenance
This particular example comes to us in excellent pre-owned condition, showing minimal signs of wear that speak to careful ownership. The case retains its sharp lines and original proportions, while the dial remains pristine with no signs of aging or damage. The movement runs within chronometer specifications, testament to both Patek Philippe's build quality and proper maintenance.
Why Choose Biel Watches
At Biel Watches, we understand that acquiring a Patek Philippe isn't just a purchase – it's an investment in horological excellence and a piece of your personal story. Our authentication process ensures 100% authenticity, while our expertise helps you understand exactly what makes each piece special.
Located in Buffalo, NY, we've built our reputation on providing collectors with exceptional timepieces backed by knowledge and service that extends well beyond the sale. Whether you're adding to an existing collection or acquiring your first Patek Philippe, we're here to guide you through every aspect of ownership.
Ready to Make It Yours?
The Patek Philippe Annual Calendar 4947/1A represents a rare opportunity to own a modern classic from one of watchmaking's most prestigious manufacturers. With its stunning blue dial, practical annual calendar complication, and increasingly rare steel construction, this piece offers both immediate enjoyment and long-term collectibility.
Contact us today to discuss this exceptional timepiece:
- Phone: (716) 291-7292
- Email: sales@bielwatches.com
- Visit: bielwatches.com
Ready to add this masterpiece to your collection? We're here to answer any questions and help you take the next step in your horological journey.