Omega Constellation Globemaster Co-Axial Master Chronometer Annual Calendar Watch - 41 mm Sedna Gold Case - Fluted Bezel - Blue Dial - Blue Leather Strap - 130.53.41.22.03.001 Strap The folding crown clasp on

The folding crown clasp on the White gold President bracelet provides both security and comfort

satin finished titanium bezel with 6 H-shaped titanium screws

screw-down Everose gold crown

5 mm stainless steel case with anti-magnetic properties and helium escape valve

polished green saxem bezel with 6 H-shaped black-plated titanium screws

Omega Constellation Globemaster Co-Axial Master Chronometer Annual Calendar Watch - 41 mm Sedna Gold Case - Fluted Bezel - Blue Dial - Blue Leather Strap - 130.53.41.22.03.001 Strap The folding crown clasp on41 mm 18K Sedna gold case, transparent back, fluted bezel, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, sun brushed blue dial with Pie Pan design, caliber 8923 self winding Co Axial master chronometer movement with date and annual calendar functions, approximately 55 hours of power reserve, blue leather strap. Water resistant to 100 m (330 ft).