Main Feature: Brand: OLEVS Style: business, luxury, fashion, classic, personality Movement type: fully automatic mechanical movement Display type: analog Multifunction dial:hour/minute/second/month/date/sun/month/Rome Features: waterproof/luminous/tuo flywheel design/skeleton design Specification: Dial color: Black/Green/blue Dial diameter: 42MM (1.65 Inches) Dial thickness: 12.5MM (0.49 Inches) Weight: 147G (5.18 oz) Strap color:white/Black Strap width: 20MM (0.78 Inches) Strap length: 22CM (8.66 Inches)(freely adjustable) Packing List: 1 x OLEVS mechanical watch 1 x OLEVS English manual 1 x OLEVS brand high-end gift watch box 1 x OLEVS bracelet adjustment tool Brand description: OLEVS is a brand manufacturer specializing in the research of fully automatic mechanical watches. It mainly designs and produces fully automatic mechanical watches and quartz watch. High-quality watches have high quality and outstanding performance. OLEVS is committed to innovation, high quality, and high cost performance: they hope that all watches are not only suitable for office work, but also suitable for holidays, but also as gifts. About the chronograph: With automatic timing function, it can achieve perfect accuracy, one minute for 60 seconds About luminous watch: When using the luminous pointer function for the first time, please light the watch under the light for 30 seconds To activate the light-emitting function About waterproof: Do not wear this watch while diving.If there is fog or water droplets on the surface, please contact the manufacturer immediately for maintenance to prevent internal parts from getting wet About after-sales service: When you receive an unsatisfactory watch, please do not rate it immediately and refund it.Please contact us immediately and let us know our details.We will definitely provide you with 100% satisfaction and service