They are located on the left and right side of the case, instead of the traditional 2 and 4 o'clock positions. The date is displayed through the medium date aperture at 12 o'clock. Inside is an exclusive self-winding Dubois Dépraz calibre, replica Omega 3212.80 watch with significant decoration and an engraved cut-out oscillating weight. Water-resistance is 30 meters. The strap is black crocodile leather with steel folding clasp and red contrast stitching.
Concord recently unveiled a double retrograde complication that combines the date and the day of the week. Powered by a Concord C101 automatic movement, the C1 Biretrograde is available in either platinum or rose-gold. The dial is replica Omega 1163.76 watch transparent (skeleton) and features a high-tech multi-layered design. A thick 3.3 mm sapphire crystal protects the dial. Below this is a chapter ring, which is slightly off-center to provide room for the retrograde displays.The Concord Bi-Retrograde features two retrograde displays, one displays the date and the other displays the day.
"Bi-retrograde" and "tri-retrograde" displays may not be new, but the ability to create exotic looking displays has made them fashionable in recent years. In this case, the lower left of the dial features an arc with the days of the week replica Omega 4631.31.31 watch listed (Mon-Sun). In the lower right of the dial is an arc with the dates of the week displayed (1-31). The case is 44mm in diameter and 14.6 mm in depth and features a 50 meter water-resistance. The hours and minutes are displayed in the center of the dial, like on most watches.