Description
DEFSTAN Marathon 41mm Steel Navigator w/ Date Automatic (SSNAV-D AUTO) watch with its DEFSTAN nylon strap. Manufactured according to the specifications of the Kelly Air Force Base, manufactured in La Chaux de Fonds (Switzerland), according to ISO 6425 standard, body in 316L surgical steel, Sapphire crystal anti-scratch – maximum readability of the bezel – and waterproof guarantee up to 100 meters (1000 feet) – raised bezel for easy handling with gloves, dial at 12 o'clock GMT.
SW200-1 automatic movement with Incabloc® shock absorber (26 jewels), reliable and precise, with 38-hour power reserve – 28800 movements per hour, hour, minute and second hands with date display, hand illumination by tritium capsules . Date display in black on a white background, located between 4 and 5 o'clock – designed to withstand changes in atmospheric pressure above 35000 feet.
41mm synthetic sapphire dial (11mm thick), with anti-reflective coating. Bidirectional rotating bezel divided into 12 hours, dual display bezel (12h & 24h GMT), 12h dial and hands lighting via tritium tubes – constant illumination without reduction in intensity and without the need for an external light source, lighting of the triangle by coating photoluminescent MaraGlo paint
Designed for pilots, rescue operators, soldiers deployed on operations or SAR divers, it ensures optimal discretion (no reflection on the case), exceptional robustness, reliability in extreme conditions and optimal dial reading in low visibility conditions.
designed to withstand atmospheric pressure changes above 35000 feet
DEFSTAN nylon bracelet – fits all wrists
Notable features:
- SWISS MADE (La Chaux de Fonds) - ACCORDING TO ISO 6425 STANDARD
- MANUFACTURING ACCORDING TO THE NEEDS OF la Kelly Air Force Base
- AUTOMATIC MOVEMENT SW200-1 with Incabloc® shock absorber (26 jewels)
- ILLUMINATION BY TRITIUM TUBES (hands + 12h GMT bezel) & Maraglo
- HOUSING STEEL stainless 316L
- TELESCOPE bidirectional divided into 12 hours, dual display bezel (12h & 24h GMT)
- DIAL : 41mm / 11mm thick
- SEALING : 10ATM (100 meters)
- DESIGNED for pilots & soldiers
- WIDTH legs: 20mm
- RESIST to changes in atmospheric pressure above 35000 feet