Miyota Cal. 0S90 Japan Quartz Chronograph
Display & Buttons
Setting The Time
- Pull the crown out to the 2nd position.
- Turn the crown to set the hour and minute hands.
- When the crown is pushed back to the normal Miyota Cal. 0S90 Japan Quartz Chronograph position, the small second hand begins to run.
Setting the Date
- Pull the crown out to the 1st position.
- Turn the crown counterclockwise to set the date. *If the date is set between the hours of around 9:00 PM and 1:00 AM, the date may not change on Miyota Cal. 0S90 Japan Quartz Chronograph the following day.
- After the date has been set, push the crown back to the normal position.
Using the Alarm
- Pull button “C”. The Alarm sounds Miyota Cal. 0S90 Japan Quartz Chronograph when the hour hand aligns with the alarm time indicator.
Setting the Alarm Time
- Pull the crown out to the 1st position.
- Turn the crown clockwise to set the alarm time indicator to the desired set time.
- Return the crown to its normal position.
- Pull out button “C” to turn the alarm on.
- The alarm will sound when the hour hand aligns with the alarm time indicator.
Using the Cronograph
- This chronograph can measure and display time in 1/20 second timing up to a maximum of 11 hours, 59 minutes, 59 seconds, 95.
Measuring time with the chronograph
- Press button “B” to change the watch to the chronograph mode.
- The small second hand stops at zero position, and changes to the chronograph 1/20 second hand.
- The chronograph 1/20 second hand stops at the zero position 30 seconds after starting.
- Pressing button “B” resets the chronograph, and all chronograph hands return to the zero position.t
Chronograph Reset
- Pull the crown out to the 2nd position.
- Press button “A” to set the chronograph second hand to zero position.
- Press button “B” to set the chronograph 1/20 second hand to zero position..
- Do not push the crown to the normal position while the chronograph second hand and the chronograph 1/20 second hand return to the zero position.
Customer Service
- Website: https://miyotamovement.com/
- Tel: +1 303-774-2221
FAQs
Q: What are the main features of the Miyota Cal. 0S90 movement?
Ans: The 0S90 is a high-precision Japanese quartz chronograph movement with a central chronograph seconds hand, a 24-hour subdial, a date display, and a 1/5-second stopwatch.
Q: What type of battery does the 0S90 use and how long does it last?
Ans: Depending on how often the chronograph is used, the SR927W (or comparable) silver oxide battery that powers the movement should last three to five years.
Q: How do I set the time on the 0S90 movement?
Ans: To set the hour and minute hands, turn the crown out to the second position. To restart the watch, insert the crown once more.
Q: Can I adjust the date anytime?
Ans: To avoid breaking the date change process, it is advised to avoid changing the date between 8 PM and 4 AM.
Q: What does the 24-hour subdial indicate?
Ans: The 24-hour subdial helps differentiate between AM and PM by displaying the current hour in 24-hour format.
Q: How do I reset the chronograph hands if they are out of alignment?
Ans: Pull the crown to the second position, then use the pushers to advance the chronograph second hand and minute counter to the zero position. Once aligned, push the crown back in.
Q: Does the 0S90 movement have a hacking feature?
Ans: No, when setting the time, the Miyota 0S90 does not halt the seconds hand.
Q: How accurate is the Miyota 0S90 chronograph?
Ans: As is common with premium quartz movements, it maintains a precision of about ±20 seconds per month.