Omega Constellation Co-Axial Watch - 27 mm Steel Case - Blue Mother-Of-Pearl Dial - 123.10.27.20.57.001 Gold-Tone caliber 9800 MC automatic movement

caliber 9800 MC automatic movement with hours and minutes with oscillating weight bearing the escapement

this iconic timepiece embodies cutting-edge functionality

Elevating comfort and style

instantaneous day and date in apertures

Omega Constellation Co-Axial Watch - 27 mm Steel Case - Blue Mother-Of-Pearl Dial - 123.10.27.20.57.001 Gold-Tone caliber 9800 MC automatic movement27 mm stainless steel case, transparent back, stainless steel bezel with engraved roman numerals, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, blue mother of pearl dial with a wavy pattern extending from the iconic claws, 11 diamond indexes, date window at 3 o'clock, calibre 8520 self winding movement with co axial escapement for greater precision stability and durability, approximately 50 hours of power