Alpina Men’s Swiss Automatic Heritage Seastrong Diver Black Watch, Sapphire Crystal, Power Reserve, 300M Water Resistant Model: AL-525S4H6
The Alpina Men’s Swiss Automatic Heritage Seastrong Diver AL-525 S4 H6 features a 42mm stainless steel case, sapphire crystal dial window, and black rubber band. It offers automatic movement, GMT bezel, date display, second hand, and 300-meter water resistance, ideal for rugged exploration.
- The Seastrong Heritage model is inspired by the 1960’s professional diver design, a beautiful re-issue of this historic model. This timepiece features an automatic movement with a 60-minute internal rotating bezel. It also has a textured rubber strap, vintage white and black dial, screw down crown and an engraved caseback to protect the movement from everyday elements.
- 300M water resistant with uni-directional turning 60m diving bezel
- AL-525 Caliber – Automatic Self-wind Movement, 26 jewels, 38 Hours Power Reserve
- 42mm Case Diameter with Polished Stainless Steel Case
- Scratch Resistant Sapphire Crystal
- Engraved Seastrong Logo Caseback, Luminous Features
The Alpina Men’s Swiss Automatic Heritage Seastrong Diver Black Watch, model AL-525 S4 H6, is engineered for the rugged explorer who demands precision, durability, and style in one sophisticated timepiece. Crafted with a robust stainless steel case measuring 42 millimeters in diameter and 12.3 millimeters thick, this watch offers a commanding presence on the wrist while remaining comfortable for daily wear. Its scratch-resistant sapphire crystal dial window ensures long-lasting clarity and protection against everyday wear and tear. Featuring a silver dial with an analog display and a practical date calendar, it delivers clear readability enhanced by the GMT bezel function for tracking multiple time zones, an essential tool for avid travelers and diving enthusiasts alike. Powered by a reliable Swiss automatic movement, this watch provides the convenience of self-winding technology, eliminating the need for battery replacements and ensuring consistent timekeeping. Its black rubber band, designed for men’s standard sizing, offers flexibility and durability, making it ideal for active lifestyles and underwater adventures. With a water resistance of up to 300 meters, this timepiece withstands significant depths, catering to professional divers and water sports enthusiasts who require a dependable companion in challenging environments. The Alpina Seastrong Diver not only meets the practical needs of precision, durability, and water resistance but also elevates the user’s confidence with its classic yet rugged aesthetic. It solves the problem of finding a versatile watch that performs under extreme conditions while maintaining a refined appearance suitable for both adventure and everyday wear. Lightweight at just 3.84 ounces, it minimizes fatigue during prolonged use, embodying the perfect balance between function and form for the discerning explorer.
| Attributes | Value |
|---|---|
| Brand Seller or Collection Name | Alpina |
| Model number | AL-525S4H6 |
| Part Number | AL-525S4H6 |
| Item Shape | Round |
| Dial window material type | Sapphire Crystal |
| Display Type | Analog |
| Clasp | Buckle |
| Case material | Stainless Steel |
| Case diameter | 42 millimeters |
| Case Thickness | 12.3 millimeters |
| Band Material | Rubber |
| Band size | Men's Standard |
| Band width | 21 millimeters |
| Band Color | Black |
| Dial color | Silver |
| Bezel material | Stainless Steel |
| Bezel function | GMT |
| Calendar | Date |
| Special features | Second Hand |
| Item weight | 3.84 ounces |
| Movement | Automatic |
| Water resistant depth | 300 Meters |





























































































































































