EZM 3

The Sinn EZM 3 was developed as a mission timer for German special forces, engineered to perform under extreme conditions. Its left-hand crown and fully tegimented submarine steel case set it apart within Sinn’s tool watch lineup, offering both comfort and exceptional scratch resistance. Collectors value the EZM 3 for its pure, function-first design and its reputation as one of Sinn’s most purpose-driven dive watches.

Reference EZM 3 features a 41mm case, 500-meter water resistance, and Sinn’s signature anti-magnetic and dehumidifying technologies, making it a standout for real-world use. The movement is the reliable ETA 2824-2, favored for its serviceability and accuracy. Earlier examples may have slightly different dial text and hand shapes, but the core specs remain consistent across production runs.

Price variations are typically driven by condition, original bracelet or strap inclusion, and completeness of kit (box, papers, tool, and Sinn’s AR capsule indicator). The tegimented case is especially desirable for collectors seeking longevity. This model does not suffer from widespread aftermarket modification or counterfeiting, so focus your search on examples with minimal bezel wear and a functioning AR capsule for the best long-term value.