Oris is a brand dedicated to quality and exceptional craftsmanship. Since 1904, the brand has been creating timepieces of unprecedented standard. Oris is one of a small number of Swiss watchmakers who only manufacture mechanical watches. With a long-standing history of more than 115 years in horology, its watches are crafted with outstanding expertise. Oris still keeps true to its founding values of individuality, innovation and high-quality products. These principles can be found throughout all of Oris’ collections. The Aquis Diver’s watch line is no exception. Around the world, the Aquis is recognised as an icon of contemporary diver’s watch design. These timepieces are a combination of a classic silhouette, a modern palette and remarkable performance. With the Aquis, you are equipped with all the essentials you need to best any challenges the deep blue waters throw your way. 

Calibre 400 is Oris’ first in-house automatic movement. It is accurate to -3/+5 seconds per day. It is anti-magnetic due to a silicone escape mechanism. Its impressive power reserve lasts up to 5 days or 120 hours. 

Core Features of the Aquis Collection: 

• A domed sapphire crystal, with an anti-reflective coating, protects the dial. 
• Features on all models include a date aperture, hours and minutes, stop-second, a screw-in crown and a fine timing system. 
• All models are automatic. 

Model Specifications 01 400 7790 4157-07 4 23 47EB:

• The modern and refined silhouette is achieved through a stainless steel case. The case measures 43.5mm in diameter. 
• Securing the watch is a green rubber strap with a stainless steel security folding clasp. 
• The green ceramic bezel features a white minutes scale. 
• Large luminescent baton indices and hands complement the sunray blue dial. 
• An exhibition case back allows you a glimpse at the intricate movements of the mechanism. The case back is covered by a sapphire crystal. 
• Features of this model include seconds, an instantaneous date and a date corrector.
• The watch is water-resistant up to 300 metres (30 bar). 
• Movement Type - Automatic with a 120-hour power reserve. The watch has 21 jewels and a frequency of 28’800 A/h. 
• Calibre - Oris 400.