A black ceramic case houses this Omega Speedmaster Chronograph Automatic Chronometer Men's watch (Ref: 311.92.44.51.01.006.nbk). It features a black nylon strap, a fixed black ceramic bezel with tachymeter markings, and a sophisticated black dial accented by luminous black hour and minute hands along with index hour markers. Minute markers are present around the outer rim. The analog dial includes luminescent elements on the hands and markers for improved legibility in low light conditions; date functionality is displayed at the 6 o'clock position. This chronograph boasts two sub-dials: one for measuring seconds up to 60, another displaying hours across its range. Powered by Omega's Calibre 9300 Automatic movement containing 54 jewels and composed of 337 parts with a frequency of 28800 vph (5Hz) and approximately 60-hour power reserve. The crystal is scratch-resistant hesalite, secured via a pull/push crown, under a transparent case back. The round case measures 44.25 mm in diameter and 13.25 mm thick; the strap width is 22 mm fitted with a deployment clasp. Rated water resistant to 50 meters (approx. 165 feet). Key functions include chronograph timing, date display, hour/minute/second analog reading, chronometer precision, and tachymeter capability.
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