The Seiko SPB103J Prospex Sumo presents an automatic movement timepiece boasting 200m water resistance. Sporting a classic aesthetic, the SPB103J flaunts an emerald, green case and dial, coupled with a stainless-steel case and bracelet. Driven by the Seiko mechanical automatic 6R35 movement, the SPB103J1 maintains an accuracy tolerance of 25/-15 seconds per day. Crafted entirely in stainless steel, this model features lumibrite-coated hands and markers for nighttime visibility once fully charged. With a case diameter of 45mm and a thickness of 12.9mm, the watch weighs approximately 188gm. As a 200m dive watch, it includes a screw lock crown, screw case back, and a uni-directional rotating bezel. Additional functionalities encompass a date display and a stop seconds hand feature. The impeccable finish and pristine appearance, particularly the captivating green dial, elevate this model to a potential Seiko cult classic. Notably substantial in hand, this timepiece is proudly made in Japan, with its allure transcending mere imagery. - Caliber No. 4R35 - Automatic Movement – Powered by the movement of the wearer - Accuracy 25 -15 seconds at normal temperature range (5°C and 35°C) - 45mm Case Size - 12.9mm Case Thickness - 188g Weight - Stainless Steel Case and Bracelet - Sapphire Glass - Screw Down Crown - Rotating Bezel One Way