The Skindiver Decompression MN90 automatic watch features a dark blue dial with MN90 Decompression Tables, colored markings providing a visual guide to the depth reached, C3 Super-LumiNova®, white baton-shaped hands for strong contrast, glass box sapphire crystal, and a steel case that is water-resistant to 150 m with a screw-down crown and caseback.MN90 Decompression Tables are the "Marine Nationale" (French Navy) diving tables defined in 1990, indicating the stops that must be made after dives of certain durations at specific depths.This automatic Skindiver watch powered, by the Japanese Citizen/Miyota 8315 automatic movement with a 60-hour power reserve (approx.), comes equipped with a choice of a dark blue, sky blue or yellow Tropic rubber strap, or a 316L stainless steel beads-of-rice bracelet or a 3-link bracelet. SPECIFICATIONS Specifications of the Skindiver Decompression Automatic Watch - MN90, Blue dial with C3 Super-LumiNova and Black Aluminum & Steel Bezel Functions: Hours / Minutes / Seconds 60 min / sec timing via rotating bezel Hands and dial: C3 Super-LumiNova® on all hands & indices Bezel: 120 clicks, unidirectional rotatable with engraved 60-0 316L stainless steel with a black anodized aluminum insert Case: HexapleX® shock-resistant architecture The movement is shielded with rubber shock-absorbers in a “floating” configuration and effectively protected from micro to big impacts on the watch. HexapleX® seashell logo is laser engraved on the back of the top right lug and inside of the caseback Discover more on the: HexapleX® shock-resistant architecture Glass box sapphire crystal with inside anti-reflective coating Water resistance: 15 ATM / 150 m Hand finished polished and brushed 316L stainless steel Screw-down crown Dodecagon shaped screw-down caseback Drilled lugs for easy strap changes Dimensions: 40 mm diameter x 48 mm lugs to lugs x 13 mm thickness 20 mm lug width Assembled in France Delivered with a green canvas & leather watch pouch AUTOMATIC MOVEMENT The Skindiver Decompression MN90 is an automatic watch powered by the Citizen / Miyota 8315. Citizen / Miyota 8315 Functions: hours, minutes, central seconds and hacking-second Power reserve: approximately 60 hours fully wound Winding: Automatic / self-winding & hand-winding Finish: Geneva pattern and blue screws Frequency: 21600 per hour Jewels: 21 pcs In-house modifications and operations Disassembly of the date disk to make the movement "No date" Control and setting with a tolerance of ±15 seconds per day and a beat error of 0.6 ms "TROPIC" RUBBER STRAP or BEADS OF RICE BRACELET or 3-LINK BRACELET The Skindiver Decompression Automatic MN90 is delivered with a choice of a dark blue, sky blue or yellow Tropic Rubber Strap, or a 316L stainless steel beads-of-rice bracelet. or a 3-link bracelet SPECIFICATIONS OF THE RUBBER "TROPIC" STRAP Dimension & Size: Long part length: 120 mm Short part length: 75 mm Lug width: 20 mm Buckle width: 16 mm Spring-bars: "Fat" 2 mm Ø Material: Oil Resistant - Won't be damaged by lubricant or sunscreen Water-Resistant - Ocean ready NBR Rubber Strap 316L Stainless Steel Buckle Color: Dark Blue, Sky Blue or Yellow Delivered with 3 loops, you can choose to use either: Two skinny loops of 6 mm One large loop of 12 mm SPECIFICATIONS OF THE STEEL BEADS-OF-RICE BAND Full brushed finish 316L stainless steel Machine milled and hand-brushed links Quick-release spring-bars - Fast strap and bracelet change Solid deployant clasp Double pusher lock - Easy to operate while safe from accidental openings 5 micro-adjustment positions Dimensions & Size: Total length: 21 cm - Fit wrists up to 24.5 cm Bracelet width at lugs: 20 mm Bracelet width at buckle: 16 mm Buckle width: 17.5 mm Buckle length: 35 mm SPECIFICATIONS OF THE STEEL 3-LINK BAND Full brushed finish 316L stainless steel Machine milled and hand-brushed links Quick-release spring-bars - Fast strap and bracelet change Solid deployant clasp Double pusher lock - Easy to operate while safe from accidental openings 5 micro-adjustment positions Dimensions & Size: Total length: 21 cm - Fit wrists up to 24.5 cm Bracelet width at lugs: 20 mm Bracelet width at buckle: 16 mm Buckle width: 17.5 mm Buckle length: 35 mm