See All our items. Size Adjustment Service is available for free! Case material : Nickel Alloy, Stainless Steel. Case size : About 27.6 mm. Watch (serial #8N0549, New Battery). The watch is in MINT condition with minor signs of wear as seen in the photos. It has a new battery. It is keeping time and functions properly. If you have any questions, please don’t hesitate to ask me!