Men's Omega Automatic Chronograph Bracelet Watch

Men's Omega Automatic Chronograph Bracelet Watch
Maker: Omega
Model: Seamaster 300 Professional Chronograph
Reference: 2599.80 (Inner case marked '178.0514')
Date: c.2000's
Movement: Automatic, cal.1164, numbered '80278136'
Dial: Blue, wave textured, internal fixed outer minute bezel, luminous dot hour markers, subsidiary seconds dials for seconds, chronograph minutes/hours, skeleton hands with luminous tip inserts, date aperture at the three o'clock position
Case: Steel, uni-directional rotating bezel with blue metal insert, chronograph pushers, screw down crown and helium escape valve, screw-down case-back, numbered '80278136' to lug
Bracelet: Steel, deployment clasp with concealed dive suit extension.
Size: 42mm excluding crown guard
Accompaniments: None