This Seiko Daywear Blue Dial Men's Watch, model SUR559, features a precise Movement Caliber Number 6N76, with a Quartz Movement Type. It maintains a high level of accuracy, with a precision of ±20 seconds per month and a long battery life of approximately 3 years. In addition, its functions include a Case/Band and has a case size of Thickness:9.8mm, Diameter:39.5mm, and a Lug-to-lug distance of 46.7mm. The watch's crystal is made of durable Hardlex material and is equipped with LumiBrite on the hands and indexes. The distance between lugs is 20mm