Chase Durer Alarm Chronograph Trident FCX lI CD.220

5 year limited international warranty. Serial numbered Weight 8.4oz Diameter 42mm, thickness 12mm 3-year battery Original design-registered bracelet with double lock secured buckle 2 separate, individually controlled built-in analog watches Water resistant to 100m/330 feet. Screw-locked crown 4 flush-fit square control buttons Screw-locked, hi-raised embossed solid steel back Soft slide bi-directional E6B navigational slide rule bezel for calculation of speed and fuel consumption. 5 step motors. Tachymetre speed/distance function SuperLuminova advanced illumination system on hands & indexes. 3 domed Sapphire scratch-free crystals Winter and summer time switch Comfort contour fit case and deployment buckle bracelet in polished or brushed solid 316L surgical stainless steel SWISS Made, 27 jewel precision ETA 251.242 Alarm Chronograph: 1/10th second, 60 seconds and 30 minutes elapsed time; lap time, split time & fly-back simultaneous 2nd timing.