OMEGA
131.23.41.21.10.001 Constellation
ROUND
Domed scratch‑resistant sapphire crystal with anti‑reflective treatment on both sides
Transparent case back
Steel ‑ yellow gold
Black polished ceramic
41 MM
50 M
Sun-brushed green
18K Yellow gold
Date window at 6 o'clock
60 H
Self-winding
Omega 8900
Leather strap with rubber lining.
Green
Tang Buckle