L28 Longines Heritage Military 1938. Reference L2.7184.108.40.206. Watch measures 42mm and is made from steel. Automatic Longines movement caliber 704.2 based upon ETA A07.171. Sapphire crystal on the front and a closed and bubble case back. Waterproof 3ATM or 30 meters. Functions are hours, minutes, sweep seconds, GMT and date. This watch is fitted with the original canvas/leather strap with steel pin buckle. Naturally this watch is complete with the original box and papers. Sadly the original owner misplaced the warranty card. Naturally we will warrant this watch for 6 months as we do with all our watches. Great and very useful travel companion!