This America-based brand is known for its sturdy automatic timepieces that are antimagnetic , shock and water resistant , and “ designed to be bumped , scuffed and well worn .” According to Seaholm , this is part one of its commitment to durability and longevity . Part two is keeping one ’ s watch “ in the field for every moment possible ,” thus the watches include a three-year transferable warranty , complimentary five-year service and quick turnaround times for all repair and service . The timepieces come on straps or bracelets and feature ETA or Sellita movements .