--- Swiss Helvetia Military wristwatch. Known as used by German Military during WWII --- Stainless steel case and back. Screw on Back. Ref: 3190. Serial: D25182H --- Inner back has a carved writing: reliable stores corp Swiss --- Same writing at the movement also --- Black Dial. Luminescent active under light but not active in dark. Minute hand luminescent is off --- 15 Jewels Helvetia handwind movement. Calibre: 82A --- Has a black Nato fabric strap --- Bezel diameter: 33mm without the crown --- Strap size is 265mm --- Overall condition is nice. Dial has small spots. Case and back are very nice --- Working well, runs 2 minutes fast in 24 hours --- I added all detailed photos to give a better idea about the watch --- WILL SHIP BY DHL, FAST AND SAFE -------