Luminox Leatherback Sea Turtle Giant 0320 Series Ref. 0321.BO.LProduct Overview Based on the design of the original Luminox "Navy SEAL 3000 SERIES," this model features a highly wearable slim case, a minimal LLT capsule, and an upgraded water resistance of 100M. The 44mm dial is equipped with larger Arabic indices, inheriting the development concept of the SEA SERIES, which has been adopted by the U. S. Navy, special forces, and various public institutions, while offering specifications for broad distribution.