Omega Calibre 8900 Automatic Chronometer, White Dial. Silver-tone stainless steel case and bracelet with fixed bezel. Analog display features blue hands and index markers on white dial including minute markers around the outer rim; luminescent accents for enhanced readability at night. Date appears at the 6 o'clock position. Powered by an automatic movement based on Omega's Calibre 8500 containing 39 jewels, beating at 25200 vph with approximately 60 hours power reserve and co-axial escapement technology. Equipped with scratch-resistant sapphire crystal, screw down crown, solid case back; round shape measures 41 mm in diameter. Includes deployment clasp for secure fastening, water resistance up to 150 meters or 500 feet. Complete accessories included: original box and manual. Part of the Seamaster collection with Swiss Made label.