- General information - Brand : Omega Item name : Omega Speedmaster Professional Stainless Steel Manual Model number : 3570.50 - Design - Type : Other Material : Metal Color : Black Gender : Male - Size - Size : Dial diameter : 4.2 Arm length : 19 Movement : Manual Case Material : Stainless Belt Material : Stainless - Inventory - Serial Number : SKU : 120230194040000A0025979519 - 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.