OMEGA
131.23.29.20.99.003 Constellation
ROUND
Domed scratch‑resistant sapphire crystal with anti‑reflective treatment on both sides
Transparent case back
Steel ‑ Sedna™ Gold
Stainless steel and 18K Sedna™ gold
29 MM
50 M
Natural blue Aventurine stone
18K Sedna™ gold
Date window at 6 o'clock
50 H
Self-winding
Omega 8700
Leather strap
Blue
Tang Buckle