■ Brand Seiko ■ Model Grand Seiko ■ Model Number SBGA101, Caliber 9R65-0BM0 ■ Mechanism Spring Drive Approximately 72 hours power reserve when fully wound ■ Accuracy Average monthly difference of ±15 seconds ■ Case Size 40.5mm ■ Thickness 12.9mm ■ Weight 155g ■ Wrist Size Approx. 18.5cm (Spare links available) ■ Accessories Spare links, Purchase receipt, Overhaul receipt, 2 booklets (Box not included) ■ I haven't been wearing it much lately, and it's a shame not to wear such a good watch, so I've decided to pass it on to someone who will wear it more. It has been overhauled twice. I have uploaded photos of the "Delivery Receipt" from the second overhaul. ■ Please understand that this is a used item and has minor scratches. There are no operational problems as far as I can tell, but I cannot provide a warranty. Please refrain from purchasing if you are concerned.