This is a HAMILTON Khaki 6313. It's a vintage and antique quartz watch. Hamilton's Khaki series features a military, field-style design, prioritizing visibility, robustness, and reliability, rather than just fashion. This 6313 was likely manufactured in the early 2000s. It's in working condition! The crystal (sapphire crystal) is clean with no scratches (see images). The black dial is clean. The stainless steel case has minor scratches from use (see images). The case size is approximately 4 cm in diameter (excluding the crown guard). Including the crown guard, it's 4.4 cm. The chronograph has: The upper right dial is for 1/10 seconds. The upper left dial is for 30 minutes. The lower center dial is for small seconds. All functions work! The three-hand second hand (red) is a stopwatch. The button near the 2 o'clock position is for GO & STOP. The button near the 4 o'clock position is for reset, and it returns to 0 (see images). The stopwatch only returns to 58 minutes (instead of 0). Also, the hour and minute hands and time numerals have Lumibrite and glow in the dark (see images). They glow well. The calendar date changes around 0 o'clock. However, the quick date change by pulling the crown one step out doesn't work. You need to advance the hands 24 hours to change the date. The date is currently set! Water resistance is 10 ATM. The band is a genuine Hamilton stainless steel band. The wrist size is approximately 16.5 cm. It can be extended on the buckle side. Also, one extra link is included. * The battery was replaced with a new one on February 6, 2026. * The movement is SWISS MADE (see images). * The stand in the images is not included! * As this is a very old vintage watch, it does not guarantee long-term operation. Also, as it is vintage, please understand that it is non-refundable and non-returnable. * It is a long-established watch brand with over 130 years of history, and it was evaluated for practicality and accuracy as a railroad watch and military watch. Currently, it is a high-quality Swiss-made watch. It has a wide range of designs and functionality, and is popular for everyday use and collectors. Khaki is a model that retains the military taste that was evaluated for military watches. - Brand: Hamilton Khaki - Model: Chronograph - Color: Black - Band Material: Stainless Steel - Dial: Black