วันอังคารที่ 12 พฤษภาคม พ.ศ. 2558

This is an automatic mechanical watch. Automatic watches do not operate on batteries ; instead , they are fed automatically by the movement of the carrier arm


Seiko Men's SNK809 Seiko 5" Automatic Watch with Black Canvas Strap



SNK809K2 Dial Color: Black Features: - Watch. - Style: Casual . - Gender: Men . - Case: Stainless steel . - Markers : White Arabic numerals and hour markers luminous point . - Bracelet: Weave fabric. - Hands : White and luminous hour and minute , white and red second hand kind . - Clasp: Buckle . - Calendar: Date and day at 3 o'clock Crystal : . Hardlex . - Water Resistant : 30 meters diameter . -Case : 37 mm . Features: - Movement: Japan Automatic Calibre 7S26B , 21 jewels . Case Thickness: 12 mm Dimensions . Collection: - Seiko 5 ​​collection.

features
The elegant design in black and stainless steel back and fascinating exhibition of this Seiko watch is suitable for elegant versatility while the strap canvas maintains a high level of comfort for the wearer.
Precise 21 - jewel automatic movement with analogue display
Sustainable dial Hardlex mineral crystal window
Features include brightness, sweeping second hand , show case , and a date window , which can be formatted in either English or Spanish
30 m ( 99 feet ) water resistant

Seiko 5 ​​Automatic Black Strap Black Dial Mens Watch is an elegant convenience of automatic movement watch. A black dial with unique design includes white Arabic numerals marking the hours on an inner circle and the minutes on an outer circle , while small , bar indexes surround the dial on a track outside minutes. Silver tone hands with luminous fill make it easy to tell the day or night , and the second hand is detailed with a thin red accent. For convenience , a display time and date are set at three o'clock. The polished stainless steel extends to meet the black nylon strap , which wraps comfortably around the wrist and fastens with a traditional buckle . Water resistant to 30 feet (100 meters) of water, this watch is perfect for high performance daily use.

This is an automatic mechanical watchAutomatic watches do not operate on batteries ; instead , they are fed automatically by the movement of the carrier arm . If the mainspring of your automatic watch is not sufficiently wound , time may become less accurate. To maintain accuracy, wear the watch for 8 hours or more per day , or manually wind the mainspring by turning the crown . When not in use , automatic watches can be kept charged with automatic winding - a storage unit shows which can be purchased separately.

The Seiko Story
Seiko

From humble beginnings , Kintaro Hattori 's vision became reality Seiko . A consuming passion for excellence - imprinted in our corporate DNA passed from generation to generation. Seiko , for 125 years committed to the art and science of time .

A culture of innovation connects a Tokyo clock shop with 19th century advances of the 20th century in a 21st century timekeeping special "quiet revolution ." Constantly driven by dedication and passion , established a multitude of world first technologies ... transforming the principles of timekeeping.

The first quartz wristwatch - changed the history of time .

The first Kinetic - marked a new era in technology quartz watch.

In 1969 , Seiko Astron , the first quartz wristwatch - was introduced.

In an instant , Seiko exponentially improved the accuracy of watches and Seiko technology firmly established today's standard in Olympic and sports timing .

1984 , another celebrated first - Kinetic Technology - powered by body movement .

Kinetic - a quartz mechanism with unparalleled accuracy , the driving force behind the first world over .

Kinetic Chronograph - the next generation of high performance timekeeping .

Kinetic Auto Relay - automatically resets to the correct time .

Kinetic Perpetual - combining the date perfect technology perpetual calendar with the genius of Kinetic Auto Relay.

And now Kinetic Direct Drive - move, and the watch is powered automatically. Or wind hand and see the power you are generating in real time.

In the field of haute horlogerie , time is measured by Seiko innovation - A heritage of dedication to the art and science of time .

by Lonchodomas
Seiko offers two similar versions of "military" mechanical watch :

The SNK809 (which is black, but there are other colors). This has a 21 jewel movement (generally the 7S26B , but older models have the 7S26 ) . It has a housing 36 mm (excluding crown) and18mm broadband .

The other model is the lager SNZG15 (which is black, but there are other colors). This movement of jewel 23 (usually 7S36B , but the previous designs have 7S36 ) . It has a 40 mm case (without crown) and a strip of 22mm .

Both watches are gray market . You will not see them for sale in U.S. stores .

I owned my SNK809 for several months and I love it. Its very accurate for the price. Mine gains about 5 sec / day. You have to spend a lot of money to do better in the world of mechanical watches.

Two of my friends have the SNZG15 , and they seem to gain about 10 seconds / day. Note: The fact that SNZG15 has 23 jewels does not mean its more accurate than a 21 jewel movement . It is larger , pushes more mass ( large hands ), and thus I speculate is inherently less accurate than the smaller SNK809 .

I got my SNK809 on eBay for $ 45 and $ 25 shipping ( 2009). However, it was shipped from Hong Kong. He had to clear customs , shipping takes about three weeks , and has more inherent risk . I expect to pay more on Amazon if it was shipped from the U.S. . Similarly, I saw SNG15 for as little as $ 105 with free shipping , shipped from Singapore.

What I did not appreciate at the time I bought my SNK809 is that its degree of water resistance is 30 meters ( WR30M ) . 98 ft. That seems sufficient unless you are a serious diver , right?

False.

Consult water resistant ratings for watches on Wikipedia.

30 meters is the static water pressure for the test in the laboratory notation. Work / dynamic pressure rating will be much less . You do not even have a shower wearing a watch WR30M , let alone swim with it. WR30M is considered splash resistant only. I splashed my watch, it still works fine, but depending on your lifestyle, this may or may not be a problem.

The largest SNZG15 is estimated at WR100M , you can swim and snorkel with the skin. The smallest rating, you must swim with (but no skin diving ) is WR50M .

The other aspect of the SNK809 you should be aware of is that its smaller than most watches are today. In 1960 a band of 18mm is typical. Today , its small , aesthetically , particularly for a person with large wrists.

When I got my SNK809 , I was surprised by the sharpness of the band looked ( and I have smaller than average wrists ) . I read the Seiko contract is with this model is teenagers in Asia. This market base probably has smaller wrists than the average American male .

But after wearing it for a while , I noticed that I was not bumping into things as I do with my larger watch. And he goes in my shirt sleeves better.

Its notable that my friends say the 22mm SNZG15 is a little bigger than what they want it .

I found that I like the band 18mm . I'm an outdoorsman ( when I can be ) , and do not wish SNK809 was at least WR50M . Other commentators say they wish he had a hacking mechanism or a sapphire crystal. These are not questions for me, and for the price, let's be realistic .

This is a phenomenal mechanical watch for what you pay . I wear mine to work every day. I wear it to meetings and snicker to myself as my second hand moves at six clicks per second , while others sitting at the table suffer the one second lurch of the ubiquitous quartz movement . Yes, I 'm a geek watch. Just be aware of the low bandwidth and WR30M note. If these are not big issues for you , you can not beat it.


Seiko Mens SNK809, Seiko, Automatic Watch, Water Resistant Watch, Seiko Watch, Automatic Watch with Black Canvas Strap

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