The Omega Seamaster Diver 300M Chronograph is a chronometer-certified dive watch with a 300-meter water resistance rating and a helium-escape valve for saturation divers. Although part of the so-called "James Bond" Omega Seamaster family, this Seamaster Diver 300-meter features the broadsword hands and "maxi" diving dial first introduced on the 50th anniversary Seamaster family Seamaster 300M GMT in 1998. Thanks to a chronograph and a dive bezel, this Omega Seamaster Diver 300M Chronograph can time two simultaneous events of up to 60-minutes duration. For precision, the Omega automatic chronograph caliber has been certified by the COSC as a Swiss chronometer. The Seamaster Diver 300M dive clasp and fold-out extension are present and retain both Omega factory tolerances and outstanding crispness. This dive watch, chronograph, and chronometer features a 41.5mm stainless steel case surrounding a black dial on a steel bracelet. Functions include hours, minutes, seconds, date, and chronograph. The watch also measures 15.2mm in thickness and 49mm from lug-to-lug.

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