U-Boat New Models Will Feature Sapphire Crystals ¶
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The latest models of U-Boat coming out will have sapphire crystals. Every new model of U-Boat Classico in both 45mm and 53mm sizes will have saphire crystals replacing the K1 crystals of the past U-Boat models. U-Boat Flightdeck Chronographs and Flightdeck non chronograph models in all sizes, as well as the Thousands of Feet will also come in saphire.