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SISU is a powerful Finnish philosophy - translated into English as strength of will, determination, perseverance, and acting rationally in the face of adversity. The meaning is equivalent in English to "having guts", and the word derives from “sisus”, which means something inner or interior. These timepieces are wrist sculptures of bold and clean design. The SISU signature look and unique detailing set them apart from the competition and convey the strength and boldness that the SISU name signifies.