Product Description Key Features: Brand: OLEVS Style: business, luxury, fashion, classic, personality. Movement type: fully automatic mechanical movement. Display type: analogue. Multifunction Dial: Hours, Minutes, Seconds, Month, Date, Sun, Month, Rome. Features: waterproof, luminous, tuo flywheel design, skeleton design. Technical data: Dial Color: Black Dial diameter: 42 mm. Dial thickness: 10 mm. Weight: 110g Band Color: Blue/Black Band Width: 22mm Strap length: 22 cm (fully adjustable). Package includes: 1 x OLEVS Mechanical Watch 1 x OLEVS English manual. 1 x OLEVS Brand Luxury Gift Watch Box 1 x OLEVS Bracelet Adjustment Tool Brand description: OLEVS is a brand manufacturer specialising in the research of all automatic mechanical watches. Mainly design and produce fully automatic mechanical watches and quartz watches. High quality watch with excellent performance. OLEVS is committed to innovation, high quality and high cost performance. We hope that each watch is not only suitable for office work, but also for holidays, but also as a gift. About Chronograph: Automatic timing function provides perfect precision, 1 minute and 60 seconds. About luminous watch. When you use the night hand function for the first time, please turn the watch under the light for 30 seconds to activate the light function. Waterproof: Do not wear when diving. If there are fog or droplets on the surface, please contact the manufacturer immediately to avoid the internal components getting wet. About After Sales Service When you receive a satisfactory watch, please rate it and refund it immediately. Contact us today and let us know your details. We offer 100% satisfaction and service. Directions Please contact the seller directly for any problems for this watch.