Mil-Spec (short for Military Specification) refers to the military standard from the U.S. Department of Defense. When a product is compliant with these standards of sourcing, fabrication, material, quality and supply, it could be referred to as a Mil-Spec inspired product or component.

The Luminox 3350 Series watch is built against the performance specification standard of MIL-PRF-46374G. This means that its water resistance, its robustness, and overall quality reflect the standards of the U.S. Department of Defense.

MIL-SPEC (ETA F06) movement data.

Typical rate Preci-Drive: (U=1,58 V) Initial rate with a normal wearing between 20-30°C.

•Initial rate: i.e when movement was delivered by ETA
•Normal wearing: no strong shocks, no sudden big changes in temperature
•At temperature of 20-30°C: other temperature can influence the accuracy.

Under these conditions, the movement will show an accuracy of +/- 10 seconds per year. This is under ideal conditions only, as set forth above.