Omega 3520.53.00
Omega Speedmaster, discontinued model, model number: 3520.53.00. This Day-Date with the code "Mark 40" has a diameter of 39mm and is extremely powerful, featuring chronograph, date, Day of the week, month, 24-hour, etc. In addition, the arched sapphire crystal, the bright red chronograph second hand, the orange aircraft head calendar hand, the blue and black day and night display independent dial, the large number plasters hour markers, the large luminous hands and other elements that are beloved by retro players form a unique yet balanced dial. The color scheme should also be one of the most distinctive features among so many Speedmasters.