Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
DS means “Double Security”. This concept is characterized by a shock-resistant movement suspension system, a reinforced case, a sapphire watch-glass, special o-rings on stem, crown and case back. This process confers on the watch an exceptional resistance, even under extremely demanding conditions.
