Luminox Navy SEAL

The Citizen Promaster Tough features a 41mm Super Titanium case with Duratect and a one-piece monocoque design, weighing about 108 grams on bracelet. It runs Eco-Drive caliber E168, is solar-powered from any light, requires no battery changes, and offers roughly ±15 seconds per month accuracy. It is rated to 200 meters water resistance and uses an anti-reflective sapphire crystal for durability and legibility. The AlpinerX Pro GPS (Alive) is a 45mm fiberglass-reinforced case with sapphire crystal and 100m WR, incorporating GPS, heart-rate monitoring, and five environmental sensors (altimeter, barometer, compass, thermometer, UV). It uses Alpina’s AL-284 connected movement with a