Marathon Pilot’s Chronograph

MARATHON is an award winning, international supplier of Military Watches. Established in 1939, they supply commercial, government and military clients around the world. Manufactured in Switzerland, their watches are the highest quality timing instruments. Listing the US Department of Defense and NASA as clients, Marathon watches do not have to pretend to be the best, they just are!

The Marathon Pilot’s Chronograph model (NATO Supply Number: 6645015440408) features a 7750 ETA Valjoux Automatic (Self Winding) 25 jewel Swiss movement with “Date & Day” display and “Rapid Date and Day Correction”. The chronograph has 1/5 second (100th minute) timing. The movement is non-magnetic and has minimum 36 hour running time.

Case construction allows for 300M/1000ft water resistance by using a Screw-Down Crown and Screw-Down Side pushers. The revolving external bezel is calibrated from 0 to 60 in white on black background. This is a solid. big watch – case diameter is 44.5mm and high turning bezel is 46.6mm and is made of 316L Stainless Steel with a sapphire crystal. Encapsulated tritium (Isotope H3) light sources are used for dial at each hour position as well as the minute and hour hands, activity between 28-30 millicuries (under 30 millicuries).

The strap is 100% vulcanized black rubber, 22mm wide and with a 316L stainless steel buckle. Engraved markings on back include details such as date of production and serial numbers for traceability and maintenance.