- General information - Brand : Omega Item name : Omega Seamaster Aqua Terra Master Co-Axial Stainless Steel Watch Model number : 231.13.39.21.57.001 - Design - Type : Automatic Material : Metal Color : Black Gender : Male - Size - Size : Dial Height : 4.5 Dial Width : 3.8 Arm length : 18 Movement : Automatic Case Material : Stainless Belt Material : Cowhide - Inventory - Serial Number : SKU : 120230124830000A0025969377 - Included Items - Accessories : Box *Before purchasing, please refer to the images of the accessories included with the item. - Condition - Condition : Great Condition Rank : Used A Good used condition with slight scratches and stains. Condition Notice : Before purchasing, please refer to the images for the exact condition of the item.