OMEGA
131.15.25.60.55.002 Constellation
round
Domed scratch‑resistant sapphire crystal with anti‑reflective treatment on both sides
stamped Constellation Observatory medallion
Steel
radiant diamond-paved bezel
25 mm
16 mm
3 bar (30 metres / 100 feet)
8.1 mm
mother-of-pearl
diamond hour markers in 18K white gold holders
18K white gold hands
Quartz
Omega 4061
Steel
Butterfly clasp with comfort setting