The ref. 3581.30.00 Speedmaster Broad Arrow GMT has a silver dial and a stainless steel case with matching bracelet. It is powered by caliber 3603.
The Omega Speedmaster Broad Arrow Co-Axial GMT ref. 3581.50.00 has a black dial and is fitted with a stainless steel bracelet.
The Omega Speedmaster is one of the enduring classics of the watch world. The present example is powered by a co-axial automatic movement and uses the so-called 'Broad Arrow' hands, reminiscent of the very first (1957) Speedmaster. There are many dials...
Ref. 3582.31.00 Speedmaster was launched in 2006. It has a Panda dial with pulsations scale and a stainless steel bracelet. Caliber 3612 is a self-winding chronograph with split-seconds functions.
Speedmaster ref: 3582.31.00