Seiko CAL. 7T92 - User Manual

3
English
Do not attempt to dive using this watch unless you have been properly
trained in diving. For your safety, please abide by the rules of diving.
Do not use the watch for saturation diving using helium gas.
Before diving, make sure that the watch operates normally.
WARNING
Please read and observe the instructions described in this booklet to ensure
the proper functioning of your diver's watch.
Do not operate the crown when the watch is wet or in water.
Do not operate the buttons when the watch is wet or in water.
Avoid hitting the watch against hard objects such as rocks.
CAUTION
ENGLISH

Summary

Diving Precautions

Before Diving

Steps to take before commencing a dive to ensure safe operation.

While Diving

Important safety guidelines to follow during diving activities.

Setting Watch Time and Stopwatch Hands

Setting the Watch Date

Stopwatch Operation Guide

Standard Stopwatch Measurement

How to perform standard stopwatch timing.

Tachymeter Functionality

Average Speed Calculation

Telemeter Functionality

Telemeter Distance Estimation

Telemeter Usage Guide

Telemeter Operation Steps

Screw Down Crown Operation

Security Lock Button Operation

Battery Replacement Guide

Seiko CAL. 7T92 Specifications

Timekeeping

Frequency of crystal oscillator	32, 768 Hz
Loss/gain (monthly rate)	± 15 seconds
Operational temperature range	–10° C ~ +60° C

Power and Components

Driving system	Step motor, 4 pieces
Battery	SEIKO SR927SW, 1 piece
IC (Integrated Circuit)	C-MOS-IC, 1 piece