OMEGA
131.30.41.21.99.001 Constellation
round
Domed scratch‑resistant sapphire crystal with anti‑reflective treatment on both sides
Steel
41 mm
24.2 mm
5 bar (50 metres / 167 feet)
13.4 mm
Grey
60 hours
Self winding
Omega 8900
Steel
Silver
Foldover butterfly clasp with comfort setting