Damasko Watch DS 30 Blue Leather Pin DS 30 Blue Leather Pin. This model is part of the basic equipment of every wardrobe. Whether for business look or leisure outfit, no other version is so versatile in combination with new colorful leather straps. The contrast between the black dial and the white special colored hands and indices ensure a clear design language. Covered by a bead blasted case made of submarine steel. This material is characterized by extraordinary strength, highest non magnetic quality and unique corrosion resistance.