Ravel Men's Modern Workwear Watch - Black/Buff Dial

Versatile Everyday Design: Built on a robust sporty case with a black strap, this watch is the ideal companion for daily workwear and casual settings.

High Visibility Dial: The easy-read white dial includes sporty numbers, a minute track, and a black second hand for quick and clear time reading.

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Beginning systematically with the fundamentals, the fully-updated third edition of this popular graduate textbook provides an understanding of all the essential elements of marine optics. It explains the key role of light as a major factor in determining the operation and biological composition of aquatic ecosystems, and its scope ranges from the physics of light transmission within water, through the biochemistry and physiology of aquatic photosynthesis, to the ecological relationships that depend on the underwater light climate. This book also provides a valuable introduction to the remote sensing of the ocean from space, which is now recognized to be of great environmental significance due to its direct relevance to global warming. An important resource for graduate courses on marine optics, aquatic photosynthesis, or ocean remote sensing; and for aquatic scientists, both oceanographers and limnologists.

Extended Battery Life: All Ravel watches come fitted with battery protectors on the watch crown to help save and extend battery life.

Manufacturer Guarantee: Purchase with peace of mind thanks to the included 12-month manufacturer guarantee.