Brand: CASIO Model: G-SHOCK Gulfmaster Reference: GWN-1000B Gender: Men Period: 2010s Movement: Solar radio-controlled quartz Case: Stainless steel and resin case Bracelet: Silicone strap Dial: Navy dial Accessories: None Description: This CASIO G-SHOCK Gulfmaster GWN-1000B is a professional-grade marine sports watch designed for durability and advanced functionality. Developed as part of the Gulfmaster series, the model was engineered for demanding maritime environments while maintaining the rugged design language that defines the G-SHOCK collection. The bold oversized case features a striking navy and black color combination accented with red and blue details, giving the watch a highly technical and contemporary appearance. The analog-digital display layout provides excellent readability together with practical everyday usability. Equipped with Triple Sensor technology, the watch incorporates multiple environmental measurement functions along with solar-powered operation and radio-controlled time adjustment. The robust resin construction and substantial wrist presence make this model especially appealing to collectors and outdoor watch enthusiasts. Radio signal reception and automatic time synchronization have not been tested. Battery life cannot be guaranteed unless stated. Condition: Seller's internal condition grade: A A: Very good condition with slight signs of use Minor scratches and light signs of use are visible on the bezel, case, buckle, and strap. The crystal remains in generally clean condition. 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. • Case width: approximately 55 mm • Wrist size: approximately 12–22 cm Measurements are approximate and may vary slightly due to manual measurement. 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-0428A007-T108