Oris Watch Aquis Date Calibre 400 Anthracite Bracelet 01 400 7769 4154-07 8 22 09PEB. The Oris Aquis Date Calibre 400 watch is now sized into a more compact 41.5mm diameter and houses an in house Calibre at its centre, capable of producing a staggering 5 day power reserve and built with remarkable anti magnetic protection. The movement features two barrels with extended mainsprings to promise its reliability and endurance. The men’s 41.5mm Oris Aquis Date Calibre 400 emphasises the beauty of mechanical performance and the growth of the prestigious Swiss watchmaker, from making nine movements in the previous eight years to crafting a mechanical engine that now promises pure unrivalled in house expertise and authentic manufacture. The Oris Aquis Date Calibre 400 41.5m watch features a sleek anthracite coloured dial with indexes and central hour and minute hands treated with a generous layer of Super LumiNova. This quality ensures that time can be accessed during the night or when caught in low light conditions. In addition to this, the domed front of the watch is crafted from anti glare and scratch resistant sapphire crystal glass. The same material is used in the underside of the 200 meter water resistant stainless steel multipiece case. The transparent caseback celebrates the smooth and peerless performance of the Calibre 400. The screw down crown with crown protection system and rugged stainless steel bracelet help to complete the diver ready feel of this Oris Aquis Date Calibre 400 watch. The steel links are finished in a mix of polished and brushed techniques and the steel folding clasp is accompanied by an innovative diver extension facility to secure over the top of a wet suit. Special Features; Men’s Oris Aquis Date Calibre 400 41.5mm watch Anthracite dial with date window at 6 o’clock Luminous coated hands and indexes Domed sapphire crystal glass and sapphire backed case Powered by the in house Calibre 400 with a 5 day power reserve 300 meter water resistant stainless steel case Anthracite ceramic dive bezel with 60 minute scale Finished on a stainless steel bracelet with diver extension facility Screwed in crown and caseback with crown protection design Official UK stockist of genuine Oris watches Ten year warranty on this Oris watch