economical: Oceanic SWIV Maxdepth Wrist Gauge "Metric"best
Product Description The Max-Depth Gauge 60 Meter Wrist Gauge, this analog depth gauge has two needles, one (tipped in fluorescent pink for high visibility) indicates current depth. Because of its universal dimensions, the Max-Depth module fits into all Oceanic gauge consoles as well as those from many other manufacturers. Since the shallow depths - 3 to 10 meters - are where critical safety/decompression stops take place, the scale for those depths has been expanded to make it easier to read. The depths beyond those considered safe for sport divers - 40 to 60 meters - are fluorescent pink, noting caution.
An oceanic zip splitting the Atlantic from the mid-Arctic to the Antarctic. The Mid-Atlantic Ridge separates North America from the Eurasian plate, it divides Africa from South America and North America from Europe. It moves at different speeds in