XS.3581.EY - Day
XS.3581.EY - Night
Day Night


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Technical Specifications
FunctionChrono, Date
Movement (technology)Quartz
Size of case diameter45.00 mm
Case materialCARBONOX™
Case BezelUni-directional rotating
Case BackScrew on caseback
CrownDouble-Security Gasket
Water resistance (m/ft/atm)200 / 660 / 20
Crystal/Glass materialHardened Mineral Crystal
Strap/Bracelet materialGenuine Rubber
Case Height13 mm
Bezel LLTOrange
LLT on Dial 12HOrange
LLT on Dial 1-11HGreen
LLT on Hour handGreen
LLT on Minute handOrange
IlluminationNight Vision Tubes (25 years)

The Only Easy Day Was Yesterday - Surf Passage Training

The U.S. Navy SEALs are the most elite combat unit in the world, whose core values embrace never quitting, and to do whatever it takes to pull your teammates through. 'The only easy day was yesterday' is a saying also embraced by the SEALs as meaning that every day you should work harder than the last, making the previous day seem easier. The saying is etched above the grinder at the BUD/S compound. BUD/S is an acronym for Basic Underwater Demolition/SEAL. It is a 6-month SEAL training course held at the Naval Special Warfar Training Center in Coronado, California. Before becoming Navy SEALs, candidates are put through some of the most mentally challenging and physically demanding training in the world. BUD/S is designed to find and develop those of the strongest character who give everything they have to accomplish their mission and support those on their team.

Navy SEAL Chronograph 3580 Series

The 3580 Series introduces several upgraded features designed to weather the toughest obstacles. The mantra is even prominently displayed on the dial of the XS.3581.EY.F model, inspiring those who have it strapped to their wrist to dig deep and overcome any challenge in their way. Whether you’re training at the gym or on the job, you will be ready to push yourself to the limit in a variety of eye-catching, military-inspired shades ranging from army green, to navy blue, charcoal and the ever popular black-out color way.