Seamaster Professional Diver 300 MT Chronometer is a mechanical automatic winding using the Omega 1120 caliber. The chronometer is COSC certified. The functions include hour, minute, second and date.
This three-piece 18k red-gold case comes with a diameter of 41mm and a thickness of 12mm. The polished and brushed finished case comes with antireflective curved sapphire crystal.

Equipped with a counterclockwise turning shaped ring that is accompanied by embossed graduated scale and a luminescent red dot, this red-gold crown comes with case protection.
The pressure compensating valve with screw-down crown protection sits at 10 and the screwed-on back has antiskid embossed medallion. It is water resistant to 300 meters.
The black dial comes with a wave-pattern decoration along with luminescent trapezoidal markers. The date display is located at 3. It uses printed minute track with luminescent red-gold-plated sword style hands.
The rubber with carbon-fiber inside structure strap comes with red-gold fold-over clasp. Other versions come in leather, bracelet or stainless steel strap with blue or black ring. It is also available in sport bracelet.
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