The Dark Matter Series is Tsar Bomba’s boldest statement in interchangeable automatic watchmaking. Designed for those who move with intention and wear their personality on their wrist, this collection delivers NH35A automatic precision in cases you can customise with multiple strap options — rubber, ceramic, and carbon fiber, all tool-free.The Dark Matter Series includes the flagship TB8601, TB8602, and TB8603 interchangeable automatic watches, plus the Rafael Márquez Collaboration Limited Edition — each one built to the same exacting Tsar Bomba standard. Bold, interchangeable, and built to last. This is the watch for those who refuse to blend in.