Both share Sinn's Tegiment-hardened submarine steel, but the U1 pushes that toughness to the extreme with 1,000 meters of water resistance versus the EZM 3's 500 — the difference between a mission watch developed with operational teams and the brand's general-catalog dive proposition. Neither has verified market price data in Cazador yet.
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| EZM 3 | U1 | |
|---|---|---|
| Case diameter | 41 mm | 44 mm |
| Movement | ETA 2824-2, automatic, 26 jewels | Automatic, Sellita SW200-1 base |
| Power reserve | 38 hours | ~38 hours |
| Water resistance | 500 m | 1,000 m |
| Anti-fog technology | Not documented in this fiche | Ar-Dehumidifying Technology (dehydrated argon) |
| Origin | EZM series, developed with rescue and intervention teams | Brand's general dive catalog |
| Market price in Cazador | Insufficient data | Insufficient data |
Pick the EZM 3 if you prefer a more compact case (41mm) within Sinn's mission-watch series, with an already generous 500m of water resistance for nearly any use.
EZM 3 →Pick the U1 if you want the most extreme water resistance in Sinn's catalog (1,000m) and the Ar-Dehumidifying technology against internal fogging.
U1 →