◆This is a new and unused military model of the most popular military model of the world's top brand SEIKO. ◆This is a newly designed stylish chronograph with perforated hands for the long and short hands, enhanced visibility of the in-dials and the direction (N, NE, E, SE, S, SW, W, NW) on the bezel. ◆Specifications: 1/20-second high-speed center chronograph, date calendar, lumibrite luminescence, 100m water resistance, and other substantial functions. Movement: SEIKO quartz Material: Stainless steel Small Seconds Date calendar Screw back Lumibright luminescence Size: Case (diameter) approx. 38 mm x (thickness) approx. 10 mm Accessories: SEIKO box, warranty card, etc. ※ Due to Seiko's shift towards paperless operations, the inclusion of printed instruction manuals is gradually being discontinued. As a precaution, here is the URL for the English instruction manual for this model's caliber (7T92): https://www.seikowatches.com/jp-ja/-/media/Files/Common/Seiko/instructions/English/7/7T92/7T92.pdf Please rest assured that we will notify you via message in case of any changes to the URL.