310.23.42.50.99.001
Case: 42mm Stainless steel & 18K Sedna Gold
Caliber: Omega cal. 3861
Movement: Manual-winding chronograph
Movement features: 26 jewels, silicon balance spring, magnetic resistance (15,000 gauss), Master Chronometer certified
Power reserve: approx. 50 hrs
Vibration: 21,600 v.p.h
Water resistance: 50 meters
Crystal: Domed, scratch‑resistant sapphire crystal with anti‑reflective treatment inside
Case thickness: 13.2mm
Lug width: 20/18 mm
Strap: Black alligator strap with stainless steel folding clasp
Dial: stepped, with 'teardrop' chronograph hands & applied Omega logo
Bezel: Stainless steel, aluminum insert with "dot-over-ninety" (DON) scaling
Caseback: sapphire exhibition
