This is a complete, matching set: - Box label serial S/N 18274 matches the engraved caseback - NSN 6645-21-558-0133 matches across box and caseback - CAGE code 38776, part number WW194006 SPECIFICATIONS: - 316L surgical stainless steel case, 41mm diameter, approx 14mm thick, 20mm lug width - Swiss Marathon M2 (Sellita SW200) 26-jewel automatic movement - 300m / 30 ATM water resistance, screw-down crown, screw-in caseback - Flat sapphire crystal - Unidirectional 120-click dive bezel - Self-powered tritium (H3) gas tube illumination, no charging required - US Government dial marking, date at 4:30, 24-hour inner track CONDITION: 

Genuine used condition with honest wear consistent with normal use. Running strong and keeping accurate time. Purchased new 2022. Tritium tubes glow and function as intended. INCLUDED: - Watch on factory rubber strap - Original Marathon presentation box - Papers/manual- Spare 3-piece rubber strap (unused) - Marathon patch and cleaning cloth Genuine Marathon, purchased from Marathon / authorized dealer. Sold as-is, no returns. Will ship insured and signature required. Any questions, ask before buying.