Brand: Casio Model: G-Shock Reference: GST-B400 Gender: Men Period: 2020s Movement: Solar / Radio-Controlled Case: Stainless steel Bracelet: Black silicone strap Dial: Black dial Accessories: Original box, instruction manuals, and booklets Description: The Casio G-Shock GST-B400 represents the modern evolution of the G-Steel series, combining the toughness of G-Shock with a refined stainless steel exterior and slim profile. Designed for active lifestyles, this model balances durability with contemporary styling. Its black dial and stainless steel bezel create a bold appearance, while the silicone strap provides excellent comfort and flexibility. The radio-controlled solar movement offers convenient daily usability and efficient power management. The GST-B400 is appreciated for its robust construction and versatile design suitable for both casual and professional settings. Vintage watches may show signs of age and prior use. Radio signal reception and automatic time synchronization have not been tested. Battery life cannot be guaranteed unless stated. • Case width: 49 mm • Wrist size: approximately 12–22 cm Measurements are approximate and may vary slightly due to manual measurement. Condition: Seller's internal condition grade: A Very good condition with slight signs of use. The watch is running at the time of inspection. Long-term accuracy has not been tested. Calendar and additional functions operate normally if present. No maintenance history is provided unless stated. Authentic item sourced from Japanese professional reuse market. Returns accepted only if the item differs from description. Shipping & Customs: Shipped from Japan by FedEx or EMS with full tracking and insurance. Dispatched within 1 business day after payment is received. Import duties, taxes, and customs clearance procedures are the responsibility of the buyer according to the regulations of the destination country. The recipient may be required to contact the shipping carrier to complete customs procedures. The item will be carefully packed with protective materials to ensure safe international delivery. Internal Condition Rank Guide: SA = Like new AA = Very clean, minimal signs of use A = Good condition with light signs of use AB = Noticeable signs of use B = Heavily used Seller memo: Internal control number AR-0602A011-W065