This Omega movement is an officially certified chronometer with circular grained and rhodium-plated finish with Geneva wave decoration. It has a power reserve of forty four hours, plus a perpetual calendar version is also available using the Omega caliber.
Omega has equipped the Constellation with the Omega caliber 2500B automatic movement with Co-Axial Escapement and created the Double Eagle.
3 colour dials=black, champagne or silverblack
The all-steel or steel&gold models have a satin-finished 38mm case with polished edges. The bezel is in satin-finished stainless steel or gold and bears the Constellation ha Roman numerals and new asymmetric claws.
The truncated Dauphine-style hands are rhodium-plated and have luminous Superluminova inserts. A domed, scratch-resistant sapphire crystal protects the watch case, which is completed by a matching satin-finished steel or steel/gold bracelet with butterfly clasp.