Omega constellation mosaic 2500

How many models does Omega constellation 2500 have?

Omega's coaxial escapement movement began in 1999, and the model at that time was 2500, which was improved in 1 120, that is, Omega's improved 2892A2 movement. The 2500 movement has been continuously improved in the following time, with 2500A, 2500B, 2500C and 2500D, so that the first generation movement of 2500 is very rare now. One: each Omega watch model is 8 digits, which is similar to ABC D E F G H. The first digit A stands for product line 1=Constellation constellation series 2=Seamaster hippocampus series 3=Speedmaster motorized Altman series 4 = Deville (Deville prestige and symbol) butterfly dancing elegant series 5 = Louis Brandt (Deville Tourbillion). Tourbillon Series 7=DeVille(Vasarelli) The second number b indicates the material type 1 = Golden Case on Golden Bracket 2 = Golden Case on Steel -golden Bracket 3 = Golden Case on Steel-Partial Steel-Golden Bracket 4 = Steel-Go. LD case on stainless steel bracelet 5 = stainless steel case on stainless steel bracelet 6 = gold case on leather 7 = steel gold case on leather 8 = stainless steel case on leather 3: the third and fourth models. Digital Radical Product Series Related 4: The third digit represents the size/movement 5: The fourth digit represents the color of bezel code is inconsistent-it varies with the model and case material 1 = blue (steel pro). Or Gold Pro or Titanium Pro Diver, 2 = polished Steel Pro or gold (two-color Pro) or blue (Gold Pro) or polished platinum (platinum Pro, silver dial limited edition.