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SEIKO Chrono SNA487 Quartz Watch

SNA487

Overview

The Seiko SNA487 (7T62-0ER0) is a 40mm men's quartz watch with a stainless steel case and a black analog dial protected by hardlex crystal. It uses a 7T62 caliber quartz movement. The watch should run for up to 3 years before needing a new battery.

The SNA487 is currently ranked #283 in popularity out of 1,137 watches in this catalog. Check availability on Amazon.com. 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.

This model may be available in other countries and currencies.

SNA487 is only a partial model number. [learn more]

The case of the SNA487 measures approximately 40mm 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 a tachymeter 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 SNA487 provides the following features and complications:

  • Second hand
  • Seconds subdial
  • Minute hand
  • Hour hand
  • Alarm subdial
  • Dual time subdial
  • Chronograph that includes a subdial for minutes with a minimum resolution of 1/5 second and a maximum duration of 60 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 SNA487 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 7T62
  • Power Reserve 3 Years
  • Hacking Yes 
  • Instructions Owner's Manual

Case

  • Case Width 40mm(without crown)
  • Case Thickness 11mm
  • Case Shape Round 
  • Case Material Stainless Steel 
  • Case Code 0ER0 
  • Crystal Material Hardlex 
  • Water Resistance 100 Meters(baths & shallow diving)
  • Crown Position 03:00 
  • Screw Down Crown No 
  • Second Crown No 

Complications

  • Chrono Maximum 60 Minutes
  • Chrono Minimum 1/5 of a Second
  • Chrono Minutes Yes 
  • Second Hand Yes 
  • Seconds Subdial Yes 
  • Minute Hand Yes 
  • Hour Hand Yes 
  • Alarm Subdial Yes 
  • Dual Time Subdial Yes 
  • Date Window Yes 

Band

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

Dial

  • Dial Color Black 
  • Dial Reference 0FS8 
  • Hour Markings Bars, Triangles 
  • Subdial Position 6-9-12 
  • On the Dial

    "Chronograph", Water Resistance
     

Bezel

  • Bezel Color Black 
  • Bezel Function Fixed 
  • Bezel Material Stainless Steel 
  • On the Bezel Tachymeter

Inner Bezel / Chapter Ring / Outer Dial

  • Inner Bezel Color Black 
  • On Inner Bezel Bars

Hand Colors

  • Hour Hand Silver 
  • Minute Hand Silver 
  • Second Hand Red, White 

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

SNA487


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