Silver-tone stainless steel case equipped with a blue nylon strap and fixed tachymeter bezel of the same material finish. Silver dial features luminous coating on hands and markers, complemented by classic index hour markers in blue tone. Minute outer ring minute markers are present. Analog display includes three sub-dials for 60 second, 30 minute, and 12 hour functions. Manual winding Omega Calibre 3861 movement (derived from Lemania 1873), with 26 jewels, operates at a frequency of approximately 21600 vph, providing a power reserve of about 50 hours. The watch is protected by scratch-resistant sapphire crystal glass. Round case measures 42 mm in diameter. Luminous hour markers are visible on the dial enhancing low-light readability. Analog functions include hour, minute, second displays via sub-dials and central hands. Swiss Made label indicates origin. Item: Omega Speedmaster Chronograph Hand Wind Silver Dial Mens Watch Ref. 31032425002001
