Skeletonized automatic movement, Seiko NH70. Square case shape measuring 46 mm diameter and 13 mm thickness in silver-tone stainless steel. Blue dial with black hands and Arabic numeral/index hour markers; features minute markers on the outer rim and luminescent coating for improved visibility in low light conditions. Fixed silver-tone bezel crafted from stainless steel. Sapphire crystal (scratch resistant) lens, screw down crown mechanism, solid case back. Equipped with an altimeter function reflecting aviation onboard design cues. Blue leather strap secured by a buckle clasp; band width is 22 mm and length corresponds to the specific model RG-8064-01 (approx. 8 inches). Analog dial type displaying hours, minutes, seconds. Water resistant up to 100 meters / 330 feet depth.