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SEIKO DUO-DISPLAY QUARTZ
■ Changeover between 12-hour and 24-hour indications
■ Tachymeter
Some models are provided with a tachymeter with a graduated dial.
■ Illuminating light
The light illuminates the digital calendar and time displays in the dark.
Note: Be sure to set the digital time first (see page 7). Then, set the analogue time (see
page 9).
FEATURES
SEIKO Duo-Display Alarm Chronographs Cal. H601 and Cal. H801 combine an analogue
and digital display and feature alarm and stopwatch functions.
ANALOGUE DISPLAY
■ Time
Three hand indication
DIGITAL DISPLAY
■ Time
■ Calendar
Calendar automatically adjusts for odd and even months except February of leap years.
■ Alarm and hourly time signal
Alarm and hourly time signal are provided.
■ Stopwatch
Measures up to 60 minutes.
Cal. H601, H801