All about Seiko watches
Seiko manual winding watch
A manual winding feature which needs to be wound by the wearer using the winding crown. This winds the mainspring up which then releases its energy to power the watch. If you haven't worn an automatic in a while, it is best ...
Seiko's instructions for Analogue Quartz and Mechanical watches.
How to open the extension clasp for Seiko SKX779, SKX781?
How to open the extension clasp for SKX779, SKX781? Unlock the double locking clasp. There's a hidden extension clasp behind the bracelet. Pull out the clasp towards you. Push the clasp inwards as shown. Pull the clasp outwards as shown. Now, the ...
Seiko Kinetic
Seiko Kinetic is the first quartz watch powered by human movement, a development so significant it led to the application for more than 50 patents. The process uses an oscillating weight that is rotated by the movement of your wrist: this ...
Why my watch gain/ lose time?
Anything that causes a loss of energy through the gear train to the pallet will cause the pallet to impart less energy to the balance wheel, this will make the balance lose amplitude. The loss of balance amplitude will mean the balance wil take less ...
What are the rate tolerances of my Seiko watch and what are they influenced by?
Before a Seiko leaves the factory, the movement is tested in five different positions: Crown down Crown left Crown up Dial down Dial up The movement is adjusted in each of these positions to an average rate of between 0 and +7 seconds per day. In ...
Why my Seiko 5 automatic watch is not working?
A Seiko 5 watch is an automatic watch which its 7S26 / 7S36 movement is powered by the movement of your wrist. To initially start your watch, you are required to swing your watch from side to side in a horizontal arc for about 30 seconds. Please note ...
Where does Seiko watches being assemble other then in Japan?
Other then assembling in Japan, Seiko watches are also assembled or cased elsewhere in Seiko factories in Asia (eg, China, Hong Kong, Singapore, Malaysia) using Japan made exported parts (Movement Japan) under the same management and quality ...
Where can I get my Seiko Instruction Booklets?
To Get Instruction Booklets: You can download the PDF file of the caliber at the URL below to know how to operate. To know the caliber code, please refer to the markings on the caseback of your watch by checking the caliber code of your watch on the ...
What special care should I give on my Seiko watch?
Shocks: Your watch is a precision measuring instrument. Treat it carefully, and it will serve you well. Avoid undue shocks (such as dropping on hard surfaces). The normal shocks caused by sports like tennis or golf present no threat, but “Twin Seiko” ...
What is the “Lumi Brite” used in Seiko watches?
LumiBrite is the latest development in Seiko luminous paints. Conventional luminous paints all used to rely on radioactive substances to generate their afterglow. Then came fluorescent paints that glowed in the dark by releasing light energy stored ...
What is the loss / gain rate (daily rate) for a Seiko 7S25 mechanical watch?
According to Seiko, the loss / gain in daily rate is within +45 and -35 seconds. (note: this is subject to change without prior notice from Seiko)
What is the loss / gain for a Seiko analogue quartz watch?
According to Seiko, the loss / gain in monthly rate is less than 15 seconds in normal temperature range of 5 Celsius to 35 Celsius. (20 seconds for Some calibers) (note: this is subject to change without prior notice from Seiko)
What does Seiko 5's number 5 means?
The 5 stands for the Five main Features of Seiko 5 watches: Automatic Day display Date display Water-resistant Shockproof
How to use a Tachymeter?
Tachymeter is actually a tool used to compute speed based on travel time over a fixed distance travelled (like one mile or one kilometer). Thus, the tachymeter bezel or dial is a logarithmic scale (actually it’s not, as spacings between the marks on ...
How do I set the language for my Seiko?
Most Seiko watches with day function has 2 languages, some has English / Spanish, English/Arabic, English/ Roman and etc. Let's say you set your primary language for your Day wheel to be in English and let's assume it is 11PM Saturday. Your Day will ...
How do I get the Time, Day and Date to sync up properly?
Question: I've just received my beautiful Seiko 5 watch which has the day and date function in English and Spanish. How do I set the day so that the day stays in English and changes at the proper time? How do I set the date so that it changes at the ...
Does my Seiko watch need periodic check?
Seiko quartz watches are designed to provide a lifetime of accurate and reliable service. However, every two or three years, or when you replace the battery, you should visit a Seiko appointed dealer or Seiko Authorized Service Center. They will ...
What are the differences between Seiko 'J' vs 'K' models?
Seiko models that end with 'J' are Made in Japan. These watches normally have English/Arabic day display. While Seiko "K" models are assembled or cased elsewhere in Seiko factories in Asia using Japan made exported parts under the same management ...
Seiko H023 caliber, World time does not synchronized with the hour and minute hand
Question: I have a Seiko H023 caliber watch, but its world time does not synchronized with the hour and minute hand, that means: 1. in world time mode, it indicates one increment past the desired city. 2. the second hand has passed one second ahead ...
Second hand does not stop.
All Seiko watches with 7S26 movement are non-hacking movements, which means that the second hand does not stop when you pull out the crown to set the time. However, you can try the below steps to stop the second hand: 1. Pull the crown to the second ...
My Seiko watch ends with a J1. Is it made in Japan?
Seiko models that end with 'J' (eg SYMG35J1) are normally Made in Japan. These watches normally have English/Arabic day display and has a "made in Japan" words at the bottom of the dial.
How to operate Seiko SNA411 / SNA413 screw down crown? (watches with triple screw down crowns and buttons)
The Seiko SNA411 and SNA413 have screw down crown and buttons. Please unscrew the crown first before using the stop watch buttons. Please remember to screw back the crown after using the stop watch. Do not press the buttons on the watch while the ...
How to operate a Seiko automatic watch?
An automatic watch winds itself with the motion of your wrist, so you'll never need to change the battery. If the watch is worn daily, Seiko’s automatic mechanism will wind the mainspring automatically through normal wrist movement. To initially ...
How does magnetism affect my Seiko quartz watches?
It doesn't usually affect digital quartz watches, but it can affect analogue watches, which use a tiny electric motor to turn the hands. Powerful magnetism can affect the performance of this motor. The good news is that although analogue watches may ...
How do I set the language for my Seiko?
Most Seiko watches with day function has 2 languages, some has english/spanish, English/Arabic, english/roman and etc. Let's say you set your primary language for your Day wheel to be in English and let's assume it is 11PM Saturday. Your Day will ...
Does all Seiko Diver watches come with diver wet suit extension clasp?
Yes, many Seiko dive watches like the SKX779 and SKX781 models does have a dive suit extension link built-in for diving purposes.