Fortis Mariner watch ‏"Mare Blu" Ref. 1051-A Distinguished from previous editions by a different dial finishing technique that produces multiple colors depending on how light reflects on the dial. Watch specifications: The movement used is from Seiko, model VK64, which is both battery-powered and automatic at the same time (Meca-quartz) Watch size is 38 mm, thickness is 11.2 mm Sapphire crystal, scratch-resistant Water resistant up to a depth of 50 meters Roman numerals at 6 and 12 o'clock Chronograph measures up to 60 minutes at 9 o'clock Also features a 24-hour (full day) indicator at 3 o'clock