Marathon JDD Large Automatic Divers Watch With Day and Date

  • Sale
  • $1,280.00
  • Regular price $1,600.00

The Marathon JDD (automatic JSAR) is a large dive watch with day and date. The JDD is designed for the military but perfect for civilians who work in search and rescue, as well as serious divers. Tritium isotope H3 tubes provide illumination in low lighting for each number position and hour marker. A MaraGlo enhanced triangle marker is included on the turning bezel.

Other Large Dive Watches Can’t Compare

  • Automatic, self-winding, 26 jewel movement
  • Water resistant to 300m/1000ft.
  • Space on back of watch for personal engravings
  • Easy to set bilingual (English and French) day and date dial
  • Includes hand-rubbed lacquer storage & display box

Marathon JDD Product Overview

The automatic JSAR includes French and English language modes for date and day, making it a great fit for Americans and Canadians. The 316L stainless steel case is perfect for deep dives, resisting water pressure up to 30 atmospheres (1017 feet) with the help of its screw down crown and crescent-shaped sapphire crystal anti-reflective face.

Designed for wearers with large wrists, the watch boasts a 46mm diameter x 17mm wide case with a 120 click unidirectional bezel. The large dial and large numbers provide easy visibility. The sweep second hand includes a tritium tube on the tip. The band is made of 100% vulcanized rubber & fastens with a 316L stainless steel buckle.

This wristwatch is made in Switzerland.

Military Automatic JSAR Includes Multiple Luminescent Features

This genuine military issue dive watch is under the US government contract NSN 6645-21-886-8975 (6645218868975). Each watch is individually numbered for traceability and maintenance. The case dimensions for this timepiece are 48mm without the crown, 55mm lug-to-lug. The lugs are 22m.

Luminous hands and hour markers are powered by 16 luminescent tritium gas tubes in order to provide enhanced visibility in low light. Two tritium tubes are placed on the 12 hour marker. The watch is intended for search and rescue operations, but can easily be dressed up with a stainless steel band for more formal occasions.

This authentic military watch is supplied to United States government, and made in La Chaux de Fonds, Switzerland by Marathon’s dedicated craftspeople.

Marathon Dive Watch Size Comparison:
Marathon watch size comparison | Top Spec U.S.

From the Manufacturer…

“…Automatic Day & Date, large size wrist watch intended for search and rescue SAR. Large dial with large numbers for easy visibility... Easy-set bilingual (English or French) day and date…”


Brand: Marathon
Color: Stainless Steel (Raw)
Product Type: Diving,Military Issue,Pilot / Aviation,Search and Rescue (SAR)
Movement: Automatic
Crystal: Scratch Resistant Sapphire
Case Material: Stainless Steel 316L
Illumination: Tritium (H3)
Movable Bezel: Uni-Directional
Water Resistance: 30 Atmospheres (300m/1000ft.)
Strap Material: Vulcanized Rubber (22mm)
Bezel Diameter: 47mm
Case Diameter: 45mm
Case Height: 17mm
Lug-to-Lug Diameter: 55mm
Lug Width: 22mm
Watch Weight: 170 grams (6 oz.)



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