Description
The Alpina Alpiner Chronograph AL-750B4E6 stands as a testament to Swiss horological excellence, embodying over 130 years of watchmaking expertise. This sophisticated timepiece seamlessly blends traditional craftsmanship with modern engineering prowess.
Technical Specifications
Case Details
- Case Diameter: 41.5mm
- Case Thickness: 14.7mm
- Case Material: 316L Stainless steel with brushed and polished finishing
- Bezel: Fixed stainless steel with tachymeter scale
- Crown: Screw-down with Alpina logo engraving
- Water Resistance: 100 meters (330 feet)
Movement Specifications
- Caliber: AL-750 (based on SW500)
- Type: Automatic mechanical chronograph
- Jewels: 25
- Power Reserve: 46 hours
- Frequency: 28,800 vph (4 Hz)
- Functions: Hours, minutes, seconds, date, chronograph
Dial and Crystal
- Dial Color: Navy blue with sunburst finish
- Indices: Applied rhodium-plated markers with luminescent treatment
- Hands: Rhodium-plated with Super-LumiNova coating
- Crystal: Scratch-resistant sapphire with anti-reflective coating
- Caseback: Exhibition sapphire crystal
Design Elements
The watch features a meticulously crafted dial layout with three chronograph subdials:
- 30-minute counter at 3 o’clock
- 12-hour counter at 6 o’clock
- Small seconds at 9 o’clock
The date window is strategically positioned at 6 o’clock, integrated within the hour counter subdial. The outer rim features a tachymeter scale for speed calculations.
Strap and Bracelet Details
- Material: Premium calfskin leather
- Color: Dark brown with contrast stitching
- Width: 22mm at lugs, tapering to 20mm at buckle
- Clasp: Stainless steel pin buckle with Alpina logo
Chronograph Functions
The chronograph mechanism offers precise timing capabilities:
- Center-mounted chronograph seconds hand
- Push-buttons at 2 and 4 o’clock for start/stop and reset functions
- Split-timing capability
- 1/4th second precision
Quality and Finishing
Each component exhibits exceptional attention to detail:
- Precision-engineered case with alternating brushed and polished surfaces
- Decorated movement visible through exhibition caseback
- Côtes de Genève finishing on rotor
- Perlage on main plate
- Blued screws
Heritage and Manufacturing
Manufactured in Geneva, Switzerland, this timepiece continues Alpina’s legacy of producing high-quality sports watches since 1883. Each watch undergoes rigorous quality control testing, including:
- Movement accuracy verification
- Water resistance testing
- Chronograph function testing
- Power reserve validation
Practical Features
- Shock resistance system
- Anti-magnetic properties
- Quick-set date mechanism
- Bi-directional winding rotor
Value Proposition
The AL-750B4E6 represents excellent value in the luxury sports chronograph segment, offering Swiss-made quality, sophisticated design, and reliable performance. The watch comes with a 2-year international warranty and is presented in a premium presentation box with complete documentation.
Conclusion
The Alpina Alpiner Chronograph AL-750B4E6 exemplifies the perfect balance between classical watchmaking traditions and modern functionality. Its comprehensive feature set, superior build quality, and attractive design make it an excellent choice for both watch enthusiasts and collectors seeking a versatile luxury chronograph.