Seiko SPB381, 383, 385 GMT-Diver



Case: 42mm diameter x 12.9mm height - stainless steel case with super-hard coating, brushed surfaces with polished accents - unidirectional bezel with black or green ceramic insert, engraved 60-minute scale and luminous pearl - domed sapphire crystal with anti-reflective coating - screwed solid steel caseback - screw-down crown - 200m water
Movement: caliber 6R54