- General information - Brand : Omega Item name : Omega Speedmaster Chronograph 3539.50 Automatic Watch Model number : 3539.50 - Design - Type : Automatic Material : Metal Color : Black Gender : Male - Size - Size : Arm length : 19.5 Dial diameter : 3.9 Movement : Automatic Case Material : Stainless Belt Material : Stainless - Inventory - Serial Number : null SKU : 120230007959600A0025514372 - Included Items - Accessories : null *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.