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SEIKO 5 5139-7020 Automatic Watch

5139-7020

Overview

The Seiko 5139-7020 "DX" is a 37mm men's automatic watch with a stainless steel case and an analog dial protected by acrylic crystal. It uses a 5139 caliber self-winding mechanical movement that cannot be manually wound but can be hacked (the second hand stops when the crown is pulled out). It ticks 5.5 times per second which gives the second hand a smoother movement than quartz watches which tick once per second. The watch should run for up to 32 hours when fully wound and will self-wind when moved.

The 5139-7020 is currently ranked #825 in popularity out of 2,613 watches in this catalog. This watch does not appear to be available for purchase on any .com site. You can see other models similar to this one 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.

The case of the 5139-7020 measures approximately 37mm wide (not including the crown) by 11mm thick and is water resistant to 30 meters. This should be sufficient for splashes & rain but is not recommended for baths, showers, swimming or diving. The stainless steel bezel 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 5139-7020 provides the following features and complications:

  • Second hand
  • Minute hand
  • Hour hand
  • Day window to show the day of the week including two language choices for the day (English and either Spanish, Arabic, Kanji, Chinese, French, German, Danish or Roman Numerals). When setting the day keep turning the crown to get to the next language. On most models SUN will be red and on some models SAT will be blue.
  • 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 5139-7020 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

  • Price No .com sellers found
    Search: Amazon | eBay | Chrono24

  • Popularity #825 of 2,613
  • Style Vintage, Dress 
  • Gender Men's 

Movement

  • Type Automatic
  • Caliber 5139
  • Jewels 27 
  • Beats per Hour 19,800 bph(5.5 bps)
  • Power Reserve 32 Hours
  • Manual Winding No 
  • Hacking Yes 
  • Instructions  

Case

  • Case Width 37mm(without crown)
  • Case Thickness 11mm
  • Case Shape Round 
  • Case Material Stainless Steel 
  • Case Code 7020 
  • Crystal Material Acrylic 
  • Water Resistance 30 Meters(splashes & rain)
  • Crown Position 04:00 
  • Screw Down Crown No 
  • Second Crown No 

Complications

  • Second Hand Yes 
  • Minute Hand Yes 
  • Hour Hand Yes 
  • Day Window Yes 
  • Date Window Yes 

Band

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

Dial

  • Dial Color Various
  • Dial Reference  
  • Hour Markings Bars 
  • On the Dial

    5 Shield, "DX", "Jewels"
     

Bezel

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

Inner Bezel / Chapter Ring / Outer Dial

  • Inner Bezel Color None 
  • On Inner Bezel Nothing

Hand Colors

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

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

5139-7020


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