
Ref. 131.23.41.21.10.001
The Omega Constellation 131.23.41.21.10.001 pairs a 41 mm gold and steel case with a tungsten bezel and a leather strap, set off by a green dial behind a sapphire crystal. It is powered by the automatic Omega calibre 8923, a Master Chronometer movement offering an annual calendar, date display and 60 hours of power reserve, visible through a display back. Water resistance is rated to 100 metres.
TECHNICAL SPECIFICATIONS
GENERAL
Gender
Men
CASE
Diameter
41mm
Case Material
Gold/Steel
Water Resistance
100m
Crystal
Sapphire Crystal
Bezel Material
Tungsten
MOVEMENT
Movement Type
Automatic
Caliber
8923
Power Reserve
60h
Frequency
25,200 vph
Jewels
39 jewels
DIAL
Dial Color
Green
BRACELET/STRAP
Bracelet/Strap
Leather
FEATURES & COMPLICATIONS
Annual calendarDateMaster ChronometerChronometerDisplay back
