SEIKO Navigator Timer GMT 6117-6410 from the exact year 1973. It has red GMT hand (counting 24h), bidirectional inner bezel and big steel case with nato strap inner bezel turns perfect .this is really important Movement: Cal. 6117B Japan - 17 Jewels - Automatic - Hack Feature - Quickset date Instructions: Winding crown up & down rotate inner bezel. GMT hand move together with time. Winding crown up & down in half-pulled position set date quickly. Case-Size:41mm (without crown), Lug-to-Lug:45mm Band-Size: Strap fits up to 20.5cm (wrist size), Lug:20mm Condition: Case has tiny signs of wear, looks clean.All functional perfect No box and papers insured and registered shipping Taxes and customs are the property of the buyer, please do not demand money for after sales tax and customs fee, this is a fee requested by your state.