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H874 Instruction manual
CAUTION
Always Keep Your Watch Clean
• Rotate the crown while it is pressed in fully and press the buttons periodically so they do not become
stuck due to accumulations of foreign matter.
• The case and band of the watch come into direct contact with the skin. Corrosion of the metal or
accumulated foreign matter may result in black residue coming from the bracelet when exposed to
moisture or perspiration unnoticed soiling such as that caused by perspiration. Be sure to keep your watch
clean at all times.
• The case and band of the watch come into direct contact with the skin. In rare circumstances,
accumulated dirt, foreign matter may cause irritation with the skin. If you think there is something
wrong, discontinue wearing the watch immediately and consult your physician.
In the case of accumulation of sweat or dirt on a metal band or case, clean thoroughly using a brush and
neutral detergent. In the case of a leather or rubber (urethane) band, wipe clean using a dry cloth.
• Leather bands may become discolored by perspiration or dirt. Always keep your leather band clean by
wiping with a dry cloth.
Caring for Your Watch
• Wipe any dirt or moisture such as perspiration from the case and crystal with a soft cloth.
• For a metallic, plastic or rubber (urethane) watchband, wash any dirt off with water. Remove the small
amounts of dirt trapped between the crevices of the metallic band with a soft brush.
• For a leather band, wipe off dirt using a dry cloth.
• If you will not be using your watch for an extended period of time, carefully wipe off any perspiration,
dirt or moisture and store in a proper location, avoiding locations subject to excessively high or low
temperatures and high humidity.
When Luminous Paint is used for your watch
The paint on the dial and hands helps you with reading the time in a dark place. The luminous paint stores light
(daylight or artificial light) and glows in a dark place.
It is free from any radioactive substance or any other material harmful to a human body or environment.
• The light emission gradually becomes weaker as time passes.
• The duration of the light (“glow”) will vary depending on the brightness, types of and distance from a
light source, exposure time, and the amount of the paint.
• The paint may not glow and/or may dissipate quickly if exposure to light was not sufficient.
Specifications
Model
H874
Type
Analog solar-powered watch
Timekeeping
accuracy
(without reception)
Average monthly accuracy: ±15 seconds when worn at normal
operating temperatures between +5°C (41°F) and +35°C (95°F)
Operating
temperature range
‒10°C (14°F) to +60°C (140°F)
Display functions
• Time: Hours, minutes, seconds, 24-hour
• Calendar: Date, day of week
• Moon phase indication
Duration
• Fully charged to fully discharged: About 6 months
When power save functions all the day: approximately 2.5 years
• Power reserve upon insufficient charge warning function:
Approximately 2 days
Battery
Rechargeable cell (lithium button cell), 1pc.
Additional
functions
• Solar power function
• Overcharging prevention function
• Insufficient charge warning function (two-second interval
movement)
• Power reserve indication (in four levels)
• Energy saving function (power save feature)
• Receiving time signal (automatic, on demand, automatic recovery)
Signal stations: Japan (East/West)/USA/Germany/China
• Automatic signal station selection function (for Japan standard
signals only)
• Confirming reception status (RX)
• Indicating the result of the last reception (OK/ NO)
• World time (24 time zones)
• Summer time (automatic/manual switching between summer time
and standard time)
• Perpetual calendar (until February 28th, 2100)
• Automatic moon phase calculation
• Moon phase appearance switching function (Northern/Southern
hemisphere)
• Moon phase calibration function (manual)
• Antimagnetic performance/Impact detection function/Automatic
hand correction function
Specifications and contents are subject to change without prior notice.
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