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SEIKO SUN031 Kinetic Watch

SUN031

Overview

The Seiko SUN031 (5M85-0AC0) is a 43mm men's kinetic watch with a stainless steel case and a blue analog dial protected by hardlex crystal. It uses a 5M85 caliber quartz movement that cannot be manually wound but can be hacked (the second hand stops when the crown is pulled out). The watch should run for up to 6 months when fully charged and will recharge when moved.

The SUN031 is currently ranked #162 in popularity out of 510 watches in this catalog. Check availability on Amazon.com. This watch is part of a family of two 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.

SUN031 is only a partial model number. [learn more]

The case of the SUN031 measures approximately 43mm wide (not including the crown) by 13mm 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 is fixed (cannot be rotated). The gap between the lugs is 20mm 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 SUN031 provides the following features and complications:

  • Second hand
  • Minute hand
  • Hour hand
  • GMT hand to show the hour in another timezone
  • 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.
  • Power reserve indicator button which causes one of the hands to move to show the remaining power level


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 SUN031 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 Kinetic Quartz
  • Caliber 5M85
  • Power Reserve 6 Months
  • Manual Winding No 
  • Hacking Yes 
  • Instructions Owner's Manual

Case

  • Case Width 43mm(without crown)
  • Case Thickness 13mm
  • Case Shape Round 
  • Case Material Stainless Steel 
  • Case Code 0AC0 
  • Crystal Material Hardlex 
  • Water Resistance 100 Meters(baths & shallow diving)
  • Crown Position 03:00 
  • Screw Down Crown No 
  • Second Crown No 

Complications

  • Second Hand Yes 
  • Minute Hand Yes 
  • Hour Hand Yes 
  • GMT Indicator Yes 
  • Date Window Yes 
  • Power Res. Button Yes 

Band

  • Band Width 20mm
  • Replaceable Band Yes 
  • Band Material Bracelet 
  • Band Color Silver 

Dial

  • Dial Color Blue 
  • Dial Reference 0AC8 
  • Hour Markings Bars 
  • On the Dial

    24 Hour Time, "Kinetic"
     

Bezel

  • Bezel Color Silver 
  • Bezel Function Fixed 
  • Bezel Material Stainless Steel 
  • On the Bezel Nothing

Inner Bezel / Chapter Ring / Outer Dial

  • Inner Bezel Color Blue 
  • On Inner Bezel Bars

Hand Colors

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

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

SUN031


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