Longines watches for amateur astronomers stargazing in styleLongines Conquest Quartz Watch - 29.5 mm Steel Case - Blue Diamond Dial - Bracelet - L3.376.4.97.6

29.50 mm stainless steel case, screw-down back, screw-in crown, scratch-resistant sapphire crystal with anti-reflective coating, sunray blue dial with diamond indexes set with 11 Top Wesselton VS-SI diamonds (~0.036 cts), caliber L152 quartz movement with hours, minutes, seconds and date, stainless steel bracelet. Water resistant to 30 bar.