It is the clock with the function that the calculation of "an air consumption per one minute" to record in log during scuba diving and "the calorie that I used by diving" can simplify.
In addition, the memo of the expense that it cost when I went for diving is done.
It confirm waiting time while watching a photograph in surface of the water spell of the scuba diving and calculate an air consumption and the calorie per one minute and can enjoy the time of the surface of the water spell.
It can contribute an air consumption and the calories-out per one minute to Twitter and Facebook.

This photo set features more images of spectacular  fish & sea creatures.
The set includes 57 images of: White Shark (7 pics) Frogfish (8) Pygmy Seahorse (1) Syngnathidae (fused jaws Pipefish), Moray eel etc.
Enjoy the images of  formidable White Sharks and comical appearance of Frogfish, Mugiloidid Fish, and more.

Select your favourite clock display from 5 types of digital and 5 types of analog clocks.
It can display the age of the moon.
Digital clock display - select your favourite numeral sets from Greek, Chinese, and Runic.
To view photos, tap Photo button to reduce slide show speed.
Picture can be saved as wall paper.
For a calculation of the calories-out, I calculate using the METS method and an expression of Harris - Benedict (HBE).

Masayuki Miyashige owns the copyright of the photograph.