www.bombfrog.eu/en/watches/bt25/

Movement: Automatic movement, Seiko NH35 (24 Jewels) stops when a crown is pulled out (hacking).
Material: Stainless steel 316L
Color: Silver brushed
Case: 51 mm
Dial: Black, luminous index Gaseous tritium light source / Swiss mb microtec trigalight
Bezel: unidirectional rotatable, 120 clicks with blue Swiss H3-Tritium-tube
Bezel: 44,5 mm
Crystal: non-reflective sapphire crystal
Date Display: Yes
Bracelet: Rubber Strap
Lug width: 22 mm
Clasp: Pin buckle
Pin: Spring pin
Water-Resistance: Up to 300m (900ft.)
Weight: 130 grams
Serial Nr.: Yes