Alpina Seastrong Diver Extreme Automatic Watch, Orange, 39 mm, AL-525BO3VE6 tw-steel this pen features a matte

this pen features a matte black design with a matching nib and details

From its ingenious moon phase display to its rugged stainless steel

The rollerball is crafted in Heather Wood Acrosilk

brown and green

Alpina Seastrong Diver Extreme Automatic Watch, Orange, 39 mm, AL-525BO3VE6 tw-steel this pen features a matteLine Seastrong Reference AL 525BO3VE6 Movement Automatic Caliber AL 525 Jewels 26 jewels Power Reserve 38 Hours Frequency 28. 800 A h Case Material Ceramic Diameter 39 mm Thickness 12,65 mm. Crystal Anti reflective Sapphire Dial color Black Water resistant depth 30 atm Strap Rubber Band color Orange Clasp type Folding clasp with push buttons Country of Manufacture Switzerland Warranty 3 years Additional information: The Seastrong Diver Extreme