Case Size (H x W x D): 56 × 49.7 × 18.6 mm Weight: 132 g Case and Bezel Material: Titanium / Coballion Strap: DuraSoft Strap (Fluororubber) Includes an additional strap Shock-resistant construction Anti-magnetic watch (JIS Class 1) Water-resistant to 200 m (ISO) Time Adjustment Radio-controlled watch compatible with Japan, North America, Europe, and China (MULTIBAND6) Bluetooth: Connects to a smartphone for automatic time correction Tough Solar (solar charging system) Sapphire crystal with anti-reflective coating on the inner surface Spherical/Curved Glass Screw-Down Case Back Strap Size Range: 150–220 mm Screw-Lock Crown Surface Finish: Titanium Carbide Coating Blue AIP (Arc Ion Plating) Bezel Neobrite Diving Functions Tide Graph Timer LED Light Full Auto Calendar Power Saving Function World Time Stopwatch Alarm Automatic hand position correction Operating time from full charge without solar power When functions are in use: Approx. 5 months In power-saving mode: Approx. 29 months Hand retraction function (When the hour and minute hands overlap with the sub-dials and are difficult to read, the hour and minute hands can be temporarily retracted from above the sub-dials) Date and day of the week display.