Grand Seiko SBGR307 Mechanical Automatic (with manual winding) Blue Hands Purchased in 2025 from a major electronics retailer, fully serviced. Please understand this is a pre-owned item. Accessories are as shown in the photos. There is a warranty card, but I am unsure of its status. Wrist size adjusted to approximately 17cm. Spare links: 2.5 links. Accuracy is not an issue due to the servicing. Thank you. Grand Seiko Heritage Collection 9S Mechanical Automatic (with manual winding) SBGR307 Mechanical 3 Days with a calendar function in a larger, impactful case. This model features a 42mm case and is equipped with the automatic mechanical caliber "9S68," which includes a convenient calendar function. Despite the larger case size, the lugs are narrowed to create a sleek silhouette from both the front and side views. The powerful, three-dimensional indexes harmonize with the case's presence, creating a balanced and dignified appearance. The simple silver dial, which evokes the Grand Seiko identity, suppresses radiation to enhance visibility. Specifications Exterior Case Material: Stainless steel Back: Stainless steel and sapphire glass Back Specification: See-through screw back Glass Material: Dual-curved sapphire Coating: Anti-reflective coating on the inner surface Case Size: ・Width: 42.0mm ・Length: 47.9mm ・Thickness: 13.1mm Band Width: 21mm Clasp: One-push three-fold clasp