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Seiko ASTRON 8X82 GPS SOLAR User Manual

Seiko ASTRON 8X82 GPS SOLAR
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8X82GPS SOLAR WATCH (Chronograph)
Complete User Guide
CONTENTSREAD FIRST

Table of Contents

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Seiko ASTRON 8X82 GPS SOLAR Specifications

General IconGeneral
Caliber8X82
Movement TypeGPS Solar
Case MaterialTitanium
Band MaterialTitanium
Dial ColorBlack
Water Resistance10 bar (100 meters)
Power Reserve6 months
FunctionsGPS, Solar, World Time, Alarm
CrystalSapphire

Summary

Handling Cautions

WARNING

Important safety warnings regarding severe injury risks.

CAUTIONS

Cautions regarding light injuries or material damages.

Features

GPS Signal Reception

Details on receiving GPS signals for precise local time setting.

Solar Charging Function

Explains operation and charging via solar power.

Automatic Time Adjustment Function

Automatic time synchronization based on GPS signals and user activity.

GPS Mechanism

What GPS is

Explanation of the Global Positioning System and its satellites.

GPS Satellite

Description of the GPS satellite's role and characteristics.

Time and Date Setting Mechanism

How the watch uses GPS signals to set time and date.

Time Zone Information

Time Zone Definition

Explanation of time zones based on UTC and their division.

DST (Daylight Saving Time)

Explanation of Daylight Saving Time and its adoption.

Coordinated Universal Time (UTC)

Definition and purpose of UTC as a standard time.

Key Functions Overview

Time Zone Adjustment

How to adjust time when changing region or time zone.

Manual Time Setting

How to set only the time using manual adjustment.

Time Zone Configuration Check

Caliber-Case Number Identification

Using the case back number to identify watch type.

Handling Time Zone Changes

Steps to display correct time after official time zone changes.

Names of the Parts

Indicator Hand Displays

Receiving Process Display

Shows the stages of GPS signal reception.

In-flight Mode Display

Indicates the watch's status in airplane mode.

Charging Status Display

Shows the current battery charge level.

DST Display

Indicates the status of Daylight Saving Time.

Reception Result Display

Shows the outcome of the last GPS signal reception.

Time Zone Display and List

Charging Status and Charging

Basic Operation Flow

GPS Signal Reception Locations

Time Zone Adjustment Procedure

How to Adjust Time Zone

Step 1: Go to a place where GPS signals can be easily received

Move to an open sky location for GPS signal reception.

Step 2: Press Button B and release

Initiate reception by pressing Button B for 6 seconds.

Step 3: Direct watch face upward and wait

Wait for GPS signal reception and processing.

Step 4: Check reception result

Verify the outcome of the GPS signal reception.

Set DST (Daylight Saving Time)

Turn ON DST

Manually activate Daylight Saving Time setting.

Turn OFF DST

Manually deactivate Daylight Saving Time setting.

Check Time Zone and DST Settings

Step 1: Pull out the crown to the first click

Access time zone display by pulling the crown.

Step 2: Push the crown back in

Return to normal display after checking settings.

In-flight Mode Operation

Set to In-flight Mode

Activate in-flight mode to prevent GPS signal interference.

Reset In-flight Mode

Deactivate in-flight mode to restore GPS functions.

Manual Time Zone Setting

Step 1: Pull out the crown to the first click

Prepare for manual time zone setting.

Step 2: Turn crown to set time zone

Adjust the time zone using the crown.

Step 3: Push the crown back in

Finalize manual time zone adjustment.

Manual Time Adjustment

How to Manually Adjust Time

Step 1: Go to a place where GPS signals can be easily received

Ensure good reception conditions for manual time adjustment.

Step 2: Press Button B and release

Initiate manual time adjustment process.

Step 3: Direct watch face upward and wait

Allow the watch to receive GPS signals for adjustment.

Step 4: Check reception result

Verify the outcome of the manual time adjustment.

Automatic Time Adjustment

GPS Signal Reception Overview

Reception Methods and Features

Details on time adjustment, zone ID, and leap second reception.

GPS Signal Reception Q&A

Answers common questions about time zone and DST updates.

Leap Second Function

Leap Second Explanation

Compensation for time deviations using leap seconds.

Automatic Leap Second Reception

Automatic updates for leap second data from GPS signals.

Check Reception Success

Step 1: Press Button B

Initiate display of reception result.

Step 2: Check result display

Interpret second and indicator hand displays for reception outcome.

Interpreting Reception Results

Understand the meaning of "Y" (success) and "N" (failure) results.

Check Leap Second Reception

Step 1: Press Button B

Initiate display of leap second reception result.

Step 2: Check reception display

Observe second and indicator hands for leap second status.

Step 3: Interpret leap second results

Understand "Y" (successful) and "N" (failed) for leap second data.

Using the Stopwatch

Stopwatch Basic Function

Overview of stopwatch measurement capabilities.

Stopwatch Measurement Types

Standard Measurement

Basic stopwatch operation for timing.

Accumulated Elapsed Time

Measure total elapsed time with restart capability.

Split Time Measurement

Record split times during a measurement.

Two Competitor Measurement

Measure and compare times for two competitors.

How to Reset Stopwatch

Resetting During Counting

Steps to stop and reset the stopwatch while counting.

Resetting Stopped Stopwatch

Procedures for resetting after standard or accumulated measurements.

Resetting Split Time Measurement

Resetting the stopwatch after split times are displayed.

Resetting Two Competitor Times

Resetting the stopwatch after competitor times are recorded.

Using the Tachymeter

Measuring Speed per Hour

Use tachymeter to calculate speed based on time.

Measuring Production Volume

Use tachymeter to calculate production rate.

Small Second Hand Movement

2-Second Interval Movement

Indicates low energy; reception and stopwatch functions limited.

5-Second Interval Movement

Indicates critically low energy; hands and functions stop.

Power Save Function

Power Save 1 (15-second stop)

Second hand stops at 15s; hour/minute/date stop; auto-adjust off.

Power Save 2 (45-second stop)

Second hand stops at 45s; critical functions stop; low charge state.

Daily Care

Watch Cleaning

Proper cleaning methods for the watch body and crown.

Crown and Button Maintenance

Regular turning of crown and pressing of buttons.

Performance and Case Number

Water Resistance

Magnetic Resistance

Band Care and Types

Metallic Band Care

Care instructions for metallic watch bands.

Leather Band Care

Care instructions for leather watch bands.

Polyurethane Band Care

Care instructions for polyurethane watch bands.

Silicone Band Care

Care instructions for silicone watch bands.

Skin Irritation and Band Fit Notes

Notes on band fit and potential skin reactions.

Adjustable Clasp Operation

Wearing or Taking Off the Watch

Instructions for using the three-fold clasp to wear/remove the watch.

Adjusting Band Length

Steps to adjust the watch band length using the clasp.

Lumibrite

Power Source and Battery

Secondary Battery Notes

Information on the special secondary battery and its replacement.

Charging the Watch

Guidelines and warnings for charging the watch.

After-Sale Service

Guarantee and Repair Notes

Procedures for warranty service and repairs.

Replacement Parts Information

Details on availability and specifications of replacement parts.

Inspection and Adjustment (Overhaul)

Recommendation for periodic professional servicing.

Troubleshooting GPS Signal Reception

Points to Check for No Reception

Common issues and checks when GPS signals cannot be received.

Manual Time Setting

How to manually set time when GPS reception fails.

How to Manually Set Time

Step 1: Pull out the crown

Initiate manual time setting by pulling the crown.

Step 2: Enter manual time setting mode

Use Button A to activate manual time setting.

Step 3: Turn crown to set the time

Adjust the hour and minute hands using the crown.

Step 4: Push the crown back in

Finalize manual time adjustment.

Misaligned Hands and Positions

Points to Check for Misalignment

Reasons for time/date/hand misalignment and checks.

Preliminary Position Explanation

Understanding the initial or default hand positions.

Automatic Hand Position Adjustment

How the watch automatically corrects hand positions.

Manual Hand Position Adjustment

Procedure for manually adjusting hand positions.

Manual Hand Position Adjustment (Step 1-3)

Step 1: Pull out the crown

Start manual adjustment by pulling the crown.

Step 2: Press Button C

Enter mode to adjust stopwatch 1/5-second hand.

Step 3: Set stopwatch 1/5-second hand

Adjust the 1/5-second hand to the 0-second position.

Manual Hand Position Adjustment (Step 4-5)

Step 4: Press Button C

Enter mode to adjust stopwatch minute hand.

Step 5: Set stopwatch minute hand

Adjust the stopwatch minute hand to the 0-minute position.

Manual Hand Position Adjustment (Step 6-8)

Step 6: Press Button B

Enter mode to adjust the date position.

Step 7: Set the date to "1"

Adjust the date to the correct preliminary position.

Step 8: Press Button B

Enter mode to adjust the indicator hand position.

Manual Hand Position Adjustment (Step 9-13)

Step 9: Adjust indicator hand

Set the indicator hand to its correct preliminary position.

Step 10: Press Button B

Enter mode to adjust hour/minute hands.

Step 11: Press Button A

Move hour/minute hands to 12:00 position.

Step 12: Push crown back in

Exit adjustment mode.

Step 13: Set time by GPS signals

Finalize time setting by receiving GPS signals.

Cancel Light Detection

Step 1: Press Buttons A and B

Initiate light detection setting change.

Step 2: Select ON or OFF

Choose to enable or disable light detection.

Step 3: Press Button A

Return to time display mode.

Troubleshooting Guide

Small Second Hand Movement Issues

Solutions for 2-second or 5-second interval movement.

GPS Signal Reception Problems

Troubleshooting for reception failures or incorrect results.

Troubleshooting Guide (Continued)

GPS Signal Reception Issues

Addressing reception failures, incorrect time/date, and automatic adjustment issues.

Time and Date Gain/Loss

Solutions for time discrepancies due to external factors or DST.

Troubleshooting Guide (Continued)

Misalignment of Time and Hands

Correcting misalignment of small second hand, time, and hands.

Time Gain/Loss and DST

Resolving 1-hour time gain/loss and DST setting issues.

Troubleshooting Guide (Continued)

Solar Battery Charging Issues

Solutions for watches not resuming normal movement after charging.

Date and Stopwatch Hand Misalignment

Correcting misaligned date and stopwatch hands after reset.

Troubleshooting Guide (Continued)

Indicator Hand Misalignment

Adjusting the position of the indicator hand.

Operation Issues

Resolving problems with crown/button operation and interrupted procedures.

Dial Glass Blur

Addressing persistent blur on the dial glass.

Specifications

Basic Function

Details on hands, date, and world time.

Crystal Oscillator Frequency

Specifies the frequency of the crystal oscillator.

Loss/Gain Rate

Monthly time accuracy rate under specific conditions.

Operational Temperature Range

Specifies the operating temperature limits.

Driving System

Describes the motor and hand movement mechanism.

Power Source

Information on the secondary battery used.

Duration of Operation

Battery life estimates with and without power save.

GPS Signal Reception Function

Features related to GPS time and zone adjustments.

IC (Integrated Circuit)

Details about the watch's internal circuitry.

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