Description
The Alpina Alpiner GMT 4 (model AL-550S5AQ6B) represents the culmination of Swiss watchmaking excellence, combining traditional craftsmanship with modern functionality. This timepiece stands as a testament to Alpina’s commitment to producing high-quality watches for the discerning traveler and watch enthusiast.
Technical Specifications
- Case Diameter: 44mm
- Case Thickness: 12.8mm
- Lug Width: 22mm
- Weight: 150 grams
- Movement Type: AL-550 Swiss Automatic
- Crystal: Double-curved sapphire with anti-reflective coating
- Water Resistance: 100 meters (330 feet)
Case and Construction
The 44mm stainless steel case features a combination of brushed and polished surfaces, showcasing exceptional attention to detail. The case sides display a fine vertical brushing, while the bezel edges and lugs feature polished surfaces that catch light beautifully.
The screw-down crown is precisely engineered with deep grooves for easy grip and manipulation, bearing the Alpina logo. The exhibition caseback is secured by six screws, providing a clear view of the decorated automatic movement.
Dial and Hands
The sunray blue dial presents multiple layers of sophistication:
- Applied rhodium-plated hour markers with Super-LumiNova coating
- Red-tipped GMT hand for excellent visibility
- Sword-shaped hour and minute hands with luminescent filling
- Precision minute track around the dial periphery
- Date window at 3 o’clock with cyclops magnification
- Alpina logo applied at 12 o’clock position
Movement Details
The AL-550 automatic movement is a sophisticated piece of engineering:
- Base Movement: Modified Sellita SW330-1
- Jewels: 25
- Frequency: 28,800 vibrations per hour (4 Hz)
- Power Reserve: 38 hours
- Functions: Hours, minutes, seconds, date, GMT
- Decoration: Côtes de Genève finishing, blued screws
Strap and Bracelet Options
The watch comes with a premium leather strap featuring:
- Hand-stitched navy blue genuine leather
- Stainless steel deployment clasp with safety pushers
- Quick-release spring bars for easy strap changes
- Comfortable padding with moisture-wicking lining
GMT Function and Usage
The GMT functionality is implemented through:
- Independent GMT hand adjustment
- 24-hour scale on the inner bezel ring
- Bi-directional rotating bezel for third time zone tracking
- Quick-set date function
Comfort and Ergonomics
Despite its substantial size, the watch maintains excellent wearability through:
- Curved lugs that conform to the wrist
- Balanced weight distribution
- Optimal case thickness-to-diameter ratio
- Comfortable strap attachment points
Value and Market Position
In the luxury watch market, the Alpiner GMT 4 positions itself as a compelling option:
- Competitive pricing in the Swiss luxury watch segment
- Superior build quality and finishing
- Versatile design suitable for both formal and casual wear
- Reliable Swiss-made movement with practical complications
Maintenance and Care
To maintain optimal performance:
- Recommended service interval: 4-5 years
- Regular cleaning with soft cloth
- Crown position verification before water exposure
- Storage in watch winder or regular wearing for movement health
Conclusion
The Alpina Alpiner GMT 4 AL-550S5AQ6B represents exceptional value in the luxury watch market. It successfully combines practical functionality, refined aesthetics, and robust construction, making it an excellent choice for both watch collectors and frequent travelers seeking a reliable, sophisticated timepiece.