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SEIKO 5 SNK621 Automatic Watch
Overview
The Seiko SNK621 (7S26-02F0) is a 36mm men's automatic watch with a stainless steel case and a gray analog dial protected by hardlex crystal. It uses a 7S26 caliber self-winding mechanical movement that cannot be manually wound or hacked (the second hand does not stop when the crown is pulled out). It ticks 6 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 43 hours when fully wound and will self-wind when moved.
The SNK621 is currently ranked #127 in popularity out of 2,613 watches in this catalog and is on sale for $114.00 on Amazon.com (as of 2020‑07‑10 05:00 PDT - Details). 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 page. 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.
- £0.00 ( Details)
- $383.50 Amazon.ca (2020‑07‑10 10:01 PDT Details)
- EUR 0,00 ( Details)
- EUR 0,00 ( Details)
- EUR 0,00 ( Details)
- EUR 0,00 ( Details)
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SNK621 is only a partial model number. [learn more]
The case of the SNK621 measures approximately 36mm 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 but may be difficult to replace with another band due to the shape of the lugs.
The SNK621 provides the following features and complications:
- Second hand
- Minute hand
- Hour hand
- Day window to show the full day of the week
- 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.
Seiko Date Finder
If you have this watch and want to know when it was made simply enter the six digit serial number from the caseback below then click Find Date. Learn more
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.
General
- Price
- Popularity
#127 of 2,613 - Style Dress
- Gender Men's
Movement
- Type Automatic
- Caliber 7S26
- Jewels 21
- Beats per Hour 21,600 bph(6 bps)
- Power Reserve 43 Hours
- Manual Winding No
- Hacking No
- Instructions Owner's Manual
Case
- Case Width
36mm(without crown) - Case Thickness 11mm
- Case Shape Round
- Case Material Stainless Steel
- Case Code 02F0
- Crystal Material Hardlex
- 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
- Full Day of Week Yes
- Date Window Yes
Band
- Band Width 18mm
- Replaceable Band No / Difficult
- Band Material Bracelet
- Band Color Silver
Dial
- Dial Color Gray
- Dial Reference 05W4
- Hour Markings Arabic Numerals, Bars
- On the Dial
5 Shield, "Automatic", "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 Gray
- 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.
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