Poseidon is equipment supplier to the German Kampfschwimmer ( combat diver ) and Naval Commandos.

Poseidon Diver Watch P10025 Professional 500m yellow

details:
case: stainless steel, crown protector
crystal: mineral, extra strong
bezel: stainless steel, black, luminous point in the triangel
clockwork: Seiko-Quartz
pointer: 3-way (h/min/sec)
waterresistance: 500 m / 1650 feet
strap: neopren (steel buckle) 20mm
crone: screwed, left at 9 o'clock
bottom: screwed
dial: yellow
illumination: Superluminova
size: 41mm / high 11mm