Comes with individual box, instruction manual and warranty card Average monthly difference ±15 seconds Solar powered Runs for about 6 months when fully charged Tachymeter included Details: [Design Concept: 1278 SPIRITS] - The number "1278" is derived from the "1,278 measuring instruments" that were created in the 1960s, just a short period of time after the official timekeeping of international sports competitions was informally decided, despite the lack of experience in sports timekeeping. As sports itself is a universal language of communication that transcends race and gender, this design concept was developed to record the challenging moments of all athletes around the world. It is a design philosophy that pursues "operability," "readability," and "legibility" based on practicality in timekeeping situations. V192: Inheritance of SEIKO chronograph tradition] - Sporty line inheriting the design concept of "1969 Speedtimer", one of the world's first self-winding chronographs, a milestone in the history of watchmaking - Classic size case with three rows of different diameter wires with appropriate hold and volume The combination of a classically sized case and a square R (box-like) sapphire glass gives this solar-powered (quartz) model the appearance of a high-end mechanical watch. In addition to the sandy patterned dial that suppresses reflections, the color scheme of black and white or complementary hues provides excellent legibility and readability.