The Supermarine S500 and S2000 are Bremont divers watches inspired by our aviation principles. Each maintains the Bremont DNA with an anti-magnetic Faraday cage encasing the beautifully finished chronometer-tested BE-36AE movement, as does the patented anti-shock case mount. The S500's 43 mm case can withstand depths of up to 500 metres - although it has been tested far deeper, while the sapphire bezel offers extraordinary luminosity in low light conditions. The 45mm case of the S2000 has been re-engineered to withstand a depth of 2000 metres. Both cases also have an automatic helium escape value for professional diving requirements. Movement: Modified calibre 13 1/4” BE-36AE automatic chronometer, 25 jewels, glucydur balance. Anachron balance spring, Nivaflex 1 mainspring, 28,800 bph, 38 hour power reserve, Bremont moulded and skeletised decorated rotor. Functions: Hour/minute/second, date and day at 3H. Case: Stainless steel case with sapphire uni-directional rotating bezel. Case diameter 43mm, lug width 22mm. Inner soft iron anti-magnetic Faraday cage to protect movement. Protective patented anti-shock movement mount. Case back: Stainless steel screw-in and decorated case back. Bezel: Sapphire uni-directional rotating bezel with SuperLumiNova luminous coating. Dial: Metal dial with various ground colours and applied indexes. SuperLumiNova coated indexes and hands. Crystal: Domed anti-reflective, scratch resistant sapphire crystal. Water resistance: Water resistant to 50 ATM, 500 metres. Ratings: C.O.S.C chronometer tested. Strap/Bracelet: Integrated rubber strap or stainless steel bracelet. Certification: Individually serial numbered with accompanying C.O.S.C certification.