How to set Time

Full Step-By-Step Instruction See Also > Adjusting Thermometer   Adjusting Time   Calendar until 2019 ? No problem !   Casio DB-310   Chime Function ON/OFF   Dual Time Mode   History of Ana Digi Temp   How to recognize a Caliber Number   How to replace the battery   How to set Alarm…

Automatic Shift Function

What is Automatic Shift Function ? This is a function that is activated when operating the Thermometer. How does it work ? If you have switched the temperature measurement frequency from every minute to every second – described in How to use Digital Modes – and left the watch then…

Instant Manual Return

What is Instant Manual Return ? Instant Manual Return is a function that allows you to instantly return to the Normal Time Display when setting the Time or Calendar. How does it work ? Instant Manual Return to Normal Time Display can be made by pressing button “M” in Time…

Auto-Return System

What is Auto-Return System ? This is an interesting function that has been permanently programmed into the watch. It is activated when setting the time or calendar. More precisely, this function will make itself known when you do not complete the manual procedure of setting the time or calendar and…

Casio DB 310 – STOPWATCH

STOPWATCH MODE Stopwatch mode – is obtained by pushing “C” button START Stopwatch by pushing “F” button Stopwatch still working… To RESET Stopwatch press “R” button And back to Notmal Time Mode by pushing “C” button   BACK TO – INTRODUCTION

Casio DB 310 – MULTI ALARM

MULTI-ALARM MODE MULTI-ALARM – by pushing “C” button After one second… First Alarm  – is possible with push“F” button. Daily Alarm ( – – – – – ) Month and date not set. Beeper sounds at preset time ( in my case 15:00 ) every day  ! Second Alarm –…

CITIZEN Ana Digi Temp

Welcome to 365d24h60m.com     Full Step-By-Step Instruction See Also > Adjusting Thermometer   Adjusting Time   Calendar until 2019 ? No problem !   Casio DB-310   Chime Function ON/OFF   Dual Time Mode   History of Ana Digi Temp   How to recognize a Caliber Number   How to replace the battery…

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Register Looking to buy or sell a Citizen, Seiko, Casio, or any other watch? Need replacement parts? Or maybe you just want to share your watch story? Got a question about your watch? You’re in the right place! You can Start a New Topic right away—No Registration Required! But if…

LED vs LCD Displays

1. LED  Displays Technology History In the 1960s and 1970s, the introduction of Light Emitting Diode (LED) display technology revolutionized the landscape of pocket calculators and wristwatches, marking a significant advancement in consumer electronics. LED displays provided a clear, bright, and energy-efficient means of presenting numerical information, thus becoming a…

Hafele-Keating experiment

Hafele-Keating experiment It is a Sunny and Warm Wednesday – October 6, 1971 at Dulles ( Not to be confused with Dallas ) International Airport in Washington. The Boeing 747 Pan American Flight 106 is already waiting ready on the airport runway. It is waiting to make the long journey…