Omega Seamaster Professional - Co-Axial Chronometer – Ref 21230412001003 – Cal 2500 - 2009

Omega Seamaster Professional - Co-Axial Chronometer – Ref 21230412001003 – Cal 2500 - 2009

Omega Seamaster Professional Co-Axial Chronometer with reference 21230412001003 with round black dial with batons and dots for hours. On the dial at 3 o’clock comes the window date. At 6 o’clock is engraved “Co-Axial Chronometer 300m/1000ft”. It is a “Swiss Made” model. The hands are in stainless-steel with “Sword’ style. The top of the second hand is red as well as Seamaster. The crown has the Omega logo. It has a unidirectional bezel graduated up to 50. At 10 o’clock, comes the crown for the helium. The watch has a stainless-steel screwed case. It is an automatic movement with caliber 2500 and 27 jewels. The serial number is 89 million series. The watch comes with an Omega bracelet and double clasp buckle. The width between lugs is 20mm. The watch comes with the box, pictograms and 3 extras links. The watch fits a 7.5 inches wrist. 

History

The story of Omega started in 1848 with Louis Brandt when he opened a “Comptoir d’etablissement” a sales office for sub-contracted watch manufacture. In 1880, the brothers Louis Paul and Cesar Brandt set-up a modern watch production unit. In 1889, the company had a production of 100,000 units per year. The name of Omega only appeared in 1903. Omega has developed amazing movements such as the “Labrador” in 1885. In 1917, Omega provided watches to the British army and in 1918 to the American army. In 1957, the speedmaster professional was born and then selected by the NASA in 1965 as the official timekeeper. Today, Omega continues to demonstrate mechanical innovation and remain one of the most prominent brands in the world of watchmakers. 

Technical details

Automatic movement with caliber 2500 with 27 jewels, a frequency of 25,200 A/h and 48 hours of power reserve. It is a Co-Axial escapement Chronometer.

Measurements

Diameter excluding winding crown: 41mm


Length including lugs: 47mm