EL Backlight （Double）
Both the digital and analogue areas of the watch face glow when the EL backlight is turned on.
Dual Time
Simultaneous display of the current time in two different time zones.
Stop function （1/100 - 24HR）
Accurate measurement of elapsed time with the touch of a button. The fraction indicates the unit of measurement, while the time figure indicates the maximum time measurement.
Daily alarm without an hourly chime
An accoustic signal goes off daily at a set time. This model has 2 independant daily alarms.
3 Years - 1 Battery
One battery will supply your watch with the power it needs for about 3 years.
Full Auto Calendar
Allowances are made automatically for months of different lengths, in case date corrections for leap years are required.
12/24-hour Timekeeping
Times can be displayed in either a 12-hour or 24-hour format.
Spherical Glass
The surface of the glass is rounded.
Stainless Steel Band
One-touch 3-fold Buckle
Water resistance classification （10 bar / 100m）
Perfect for swimming and snorkelling: the watch is water resistant to 10 bar / 100 metres. The metres value does not relate to a diving depth but to the air pressure used in the course of the water resistance test. （ISO 2281）
Accuracy +/-30 seconds per month
Approx. Battery Life: 3 years on CR2016
Size of case
AQ-150W.......................47.7 x 40 x 13.8 mm / 40 g
AQ-150WD.......................47.7 x 40 x 13.8 mm / 90 g
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