Admiral Challenge 44mm, combination of stainless steel and rubber case, open back stainless steel PVD cover sapphire crystal, automatic movement with hours, minutes, seconds, and chronograph, yellow rubber strap, triple folding buckle.
Specifications
Case
Shape
Dodecagonal
Glass
Sapphire crystal with anti-reflective treatment
Case Back
Screwed in open back stainless steel PVD cover sapphire crystal