The brand new Perpetual Calendar wristwatch proceeds the classic model of the DS Argonaut (model: 8401002) watch in 1968, with a pillow case case. The watch case is made from ordinary excellent steel (model: c040. 462. 18. 051. 00) in addition to black PVD coated okay steel (model: c040. 462. 36. 041. 00), having a diameter regarding 43. 5mm, slightly bigger than the original, and suitable for modern divers. Typically the one-way twisting bezel offers sapphire inserts and is embellished with another black bands and white-colored scales. This timepiece is equipped with a good anti eyeball sapphire amazingly mirror, the screw inside crown along with a perspective back again. It has exactly the same 200m water-resistant performance since the original. Often the dials from the two designs are dark-colored. The difference is usually that the ordinary very good steel design is matched using the orange period mark, brand and "45" (in the fifty minute dial), while the african american PVD layered fine metal style is actually decorated along with white. Period division pointer and inlaid time tag are sprayed with extremely luminova neon material to make sure readability throughout dark atmosphere. At three: 00 plus 9: 00, there are 30th minute moment plate and even small next plate correspondingly, which are evenly arranged together with visually well balanced. The main second hand includes with the exterior scale, and also the timing precision can achieve 1/5 subsequent. Through the back of the pivot table, you are able to enjoy the pre-installed ETA a05 H31 automated winding right time to movement. This particular movement is improved from the valjoux 7753, consists of 27 gem stones, has a sto? frequency involving 28800 occasions / hours (4 Hz), and can offer 60 hrs of energy storage. The exact movement gives you silicon hairspring, which has outstanding anti magnetism, temperature distinction and effect performance.