Description
The Alpina Alpiner 4 GMT stands as a testament to Swiss horological excellence, combining sophisticated dual time zone functionality with robust construction. This timepiece continues Alpina’s legacy of producing reliable sports watches while catering to the needs of modern global travelers.
Technical Specifications
Case Dimensions:
- Diameter: 44mm
- Thickness: 12.5mm
- Lug width: 22mm
- Lug-to-lug distance: 51mm
Materials and Construction:
- 316L stainless steel case with brushed and polished finishing
- Scratch-resistant sapphire crystal with anti-reflective coating
- Screw-down crown with water resistance gaskets
- Exhibition caseback showcasing the movement
Dial and Hands
The sunray blue dial features multiple carefully designed elements:
- Applied rhodium-plated hour markers with Super-LumiNova coating
- Faceted sword-shaped hour and minute hands
- Red-tipped GMT hand for second time zone tracking
- Date window at 3 o’clock with quick-set function
- 24-hour scale on the inner bezel ring
Movement Specifications
The AL-550 automatic caliber offers:
- Base movement: Sellita SW200-1
- 26 jewels
- Frequency: 28,800 vph (4 Hz)
- Power reserve: 38 hours
- Automatic winding with ball bearing rotor
- Incabloc shock protection system
The “4” Professional Features
The number “4” in Alpiner 4 represents four essential features:
1. Anti-magnetic Protection
The watch meets ISO 764 standard for magnetic resistance, protecting the movement from magnetic fields up to 4,800 A/m. This makes it suitable for everyday use around electronic devices.
2. Anti-shock System
Features enhanced shock resistance through:
- Incabloc shock absorption system
- Reinforced movement mounting
- Specially designed case architecture
3. Water Resistance
Offers 100m (10 ATM) water resistance featuring:
- Triple-sealed screw-down crown
- Gasket-sealed caseback
- Pressure-tested construction
4. Stainless Steel Construction
The 316L stainless steel used provides:
- Superior corrosion resistance
- Excellent durability
- Hypoallergenic properties
Bracelet and Comfort
The watch comes equipped with:
- Solid 316L stainless steel bracelet with three-link design
- Double-folding security clasp with push buttons
- Fine adjustment system for optimal fit
- Solid end links for improved durability
GMT Function Operation
The GMT functionality allows for:
- Independent setting of the GMT hand
- 24-hour time display via the red GMT hand
- Bidirectional rotating bezel for third time zone tracking
- Quick reference of multiple time zones
Performance and Accuracy
The watch demonstrates impressive performance metrics:
- Daily rate: +/- 4 seconds per day (under normal conditions)
- Magnetic resistance: 4,800 A/m
- Impact resistance: Meets ISO 1413 standard
- Temperature tolerance: -40°C to +60°C
Value Analysis
The Alpiner 4 GMT offers competitive value considering:
- Swiss-made quality and precision
- Robust construction and versatile functionality
- Premium materials and finishing
- Brand heritage and reliability
Conclusion
The Alpina Alpiner 4 GMT AL-550G5AQ6B exemplifies the perfect balance between traditional Swiss watchmaking and modern functionality. Its comprehensive feature set, robust construction, and refined aesthetics make it an excellent choice for both watch enthusiasts and frequent travelers. The attention to detail in both technical specifications and user comfort demonstrates Alpina’s commitment to producing high-quality timepieces that stand the test of time.
