Module No. 3521

The current time’s tide graph and the current date’s Moon phase (Moon Graph) are displayed in the modes below.

Timekeeping Mode

Tide Graph/Moon Graph Mode

Dive Mode

Interpreting Tide Graph Information

Tide Cycle (Three Patterns)

Spring tide		Half tide		Neap tide
Large difference between high tide and low tide		Moderate difference between high tide and low tide		Small difference between high tide and low tide

Interpreting the Moon Graph

Interpreting the Moon Graph and Moon Age Indicator

Moon phase	Moon age	This indicator:
New Moon	0.0 to 0.9 28.7 to 29.8
	1.0 to 2.7
	2.8 to 4.6
	4.7 to 6.4
First Quarter	6.5 to 8.3
	8.4 to 10.1
	10.2 to 12.0
	12.1 to 13.8
Full Moon	13.9 to 15.7
	15.8 to 17.5
	17.6 to 19.4
	19.5 to 21.2
Last Quarter	21.3 to 23.1
	23.2 to 24.9
	25.0 to 26.8
	26.9 to 28.6

The Moon phase shown by the Moon graph is the approximate shape of the Moon at noon of the displayed date. It is meant only to indicate whether the left or right side of the Moon is shaded. Its shape is different from the actual phase of the Moon.

The Moon phases shown in the above table are for when the Moon is viewed towards the south with respect to the northern hemisphere. In the Southern Hemisphere or near the equator, the light and dark portions of the Moon are opposite those shown by the watch’s indicator.