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SEIKO Chrono SND623 Quartz Watch

SND623

Overview

The Seiko SND623 (7T92-0GG0) is a 39mm men's quartz watch with a stainless steel case and a black-white analog dial protected by hardlex crystal. It uses a 7T92 caliber quartz movement. The watch should run for up to 3 years before needing a new battery.

The SND623 is currently ranked #903 in popularity out of 1,137 watches in this catalog. Check availability on Amazon.com. This watch is part of a family of three watches that are identical except for their color or strap. You can see the other variations in this family as well as other similar models on the left side of the pagein the similar watches section below. By clicking the checkbox under a similar model you can compare that model with this one side-by-side. We use nearly 100 different weighted criteria to calculate which models are the most similar to one another.

This model may be available in other countries and currencies.

SND623 is only a partial model number. [learn more]

The case of the SND623 measures approximately 39mm wide (not including the crown) by 11mm thick and is water resistant to 100 meters. This should be sufficient for splashes, rain, baths, showers & swimming (shallow diving) but is not recommended for scuba diving. The crown does not screw down which increases the risk that it could be pulled out accidentally while under water. The stainless steel bezel shows minute numbering and is fixed (cannot be rotated). The gap between the lugs is 18mm and the bracelet band can be adjusted to fit using a link removal tool or removed using a band removal tool to be replaced with another band.

The SND623 provides the following features and complications:

  • Second hand
  • Seconds subdial
  • Minute hand
  • Hour hand
  • Chronograph that includes subdials for hours, minutes and subseconds with a minimum resolution of 1/20 second and a maximum duration of 720 minutes. The central second hand is used by the chronograph. When the chronograph is not in use this hand is stationary. Seconds are shown on the seconds subdial.
  • Date window to show the day of the month. Note that some watches may be damaged if you attempt to change the date between 8:00 PM and 2:00 AM, in which case you should change the time to be outside that range first then reset the time after adjusting the date. Check your watch manual for details.


Specifications [edit]

Full specifications are listed below. Please report any errors by clicking the edit link above then use the appropriate icon to provide your input. If the SND623 is not exactly what you're looking for you can also search our catalog by selecting from an extensive list of criteria to help you find exactly what you are looking for.

General

Movement

  • Type Quartz
  • Caliber 7T92
  • Power Reserve 3 Years
  • Hacking Yes 
  • Instructions Owner's Manual

Case

  • Case Width 39mm(without crown)
  • Case Thickness 11mm
  • Case Shape Round 
  • Case Material Stainless Steel 
  • Case Code 0GG0 
  • Crystal Material Hardlex 
  • Water Resistance 100 Meters(baths & shallow diving)
  • Crown Position 03:00 
  • Screw Down Crown No 
  • Second Crown No 

Complications

  • Chrono Maximum 720 Minutes
  • Chrono Minimum 1/20 of a Second
  • Chrono Sub-Sec Yes 
  • Chrono Minutes Yes 
  • Chrono Hours Yes 
  • Second Hand Yes 
  • Seconds Subdial Yes 
  • Minute Hand Yes 
  • Hour Hand Yes 
  • Date Window Yes 

Band

  • Band Width 18mm
  • Replaceable Band Yes 
  • Band Material Bracelet 
  • Band Color Gold, Silver 

Dial

  • Dial Color Black, White 
  • Dial Reference 0HV8 
  • Hour Markings Arabic Numerals 
  • Subdial Position 6-9-12 
  • On the Dial

    "Chronograph", Water Resistance
     

Bezel

  • Bezel Color Silver 
  • Bezel Function Fixed 
  • Bezel Material Stainless Steel 
  • On the Bezel Minute Numbering

Inner Bezel / Chapter Ring / Outer Dial

  • Inner Bezel Color White 
  • On Inner Bezel Bars

Hand Colors

  • Hour Hand Silver 
  • Minute Hand Silver 
  • Second Hand Blue 

If you see anything that seems incorrect please let us know.

SND623


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