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  • Seiko Men's SNA139 Alarm Chronograph Titanium Watch
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Seiko Men's SNA139 Alarm Chronograph Titanium Watch


Currently unavailable.
We don't know when or if this item will be back in stock.
  • Quality Japanese-Quartz movement
  • Hardlex crystal
  • Titanium case; Black dial; Date function; Chronograph functions
  • Water-resistant to 660 feet (200 M)
  • Water resistant to 660 feet (200 M): suitable for recreational scuba diving

Watches with manufacturer warranty

  • Seiko
    $117.02
Currently unavailable.
We don't know when or if this item will be back in stock.

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Product Specifications

Watch Information
Brand, Seller, or Collection Name Seiko
Model number SNA139
Part Number SNA139
Dial window material type Hardlex
Clasp double-locking-fold-over-clasps
Case material Titanium
Case diameter 40 millimeters
Case Thickness 12 millimeters
Band Material Titanium
Band length mens
Dial color Black
Bezel material Titanium
Bezel function Stationary
Calendar Date
Movement Japanese quartz
Water resistant depth 660 Feet
Warranty type Contact seller of record

Product Description

From Humble beginnings, Kintaro Hattori’s Vision for Seiko has become reality. 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 19th century Tokyo clock shop with 20th century advances in timekeeping to an extraordinary 21st century "quiet revolution." Continually driven by dedication and passion, established a multitude of world’s first technologies… transforming the principles of timekeeping.

The first quartz wristwatch – changed the history of time.

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

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

In an instant, Seiko exponentially improved the accuracy of wristwatches –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 more world’s firsts.

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 of perpetual calendar with the genius of Kinetic Auto Relay.

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

In the realm of fine watches, time is measured by Seiko innovation – A heritage of dedication to the art and science of time.

Solid Titanium case and bracelet, Black dial and sub-dials, Alarm can be set on a 12-hour basis with two small hands, Chronograph, Alarm hands can indicate the time in a different time zone, Water resistant to 200M: Seiko Chronograph - SNA139

  • ASIN: B00068TJLC
  • Product Dimensions: 5 x 3.9 x 3.2 inches; 11.2 ounces
  • Shipping Weight: 1 pounds
  • Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
  • Item model number: SNA139
  • Amazon Best Sellers Rank: #109,220 in Watches (See Top 100 in Watches)
    • Average Customer Review:

    Customer Reviews

    Crystal is very clear.
    Vladimir Zlokazov
    The manual explains it poorly, but you can adjust the offset of the minute and second hands.
    Trammell Hudson
    As a watch hound, I fell in love with this watch at first sight.
    Dom Miliano

    Most Helpful Customer Reviews

    46 of 48 people found the following review helpful By Dom Miliano VINE VOICE on November 23, 2005
    As a watch hound, I fell in love with this watch at first sight. The matte finish of the titanium case and band combined with the white on black dial made for a very appealing package. When I put it on, the deal was sealed. The light weight and smooth finish of the band said - you can wear this all day in comfort. Titanium is a miracle metal - it doesn't rust, it's tough, it's hypo-allergenic, it's amazingly light and it looks cool.

    The watch keeps very good time. The chronograph feature is simple to use - by that I mean, it's intuitive so no manual is required. The alarm function is another matter. Crack the book or you're going to be frustrated. Like some of their other alarm watches, the value of this feature is limited. If you get up every day at 6:00 AM, you have to set the alarm every day. Silly idea.

    Overall, this is a bargain for what seems to be a beautiful, well made watch from one of the best names in the business.
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    8 of 8 people found the following review helpful By Trammell Hudson on September 26, 2006
    As everyone else noted in their reviews, the Titanium body and band make this a very light weight watch for its size. The 40mm case is a good size for smaller wrists, although I had to remove three links from the band.

    The chronograph feature works well and can do splits, but it means that the large second hand does not tell time. There is a separate, tiny subdial that shows a 1 Hz second hand. I wish the main dial would also serve as a 5 Hz second hand in other than chronograph mode. For the reviewers complaining about the dial alignment -- it is adjustable in the time-setting mode. The manual explains it poorly, but you can adjust the offset of the minute and second hands.

    The alarm is much too quite to wake me and requires daily setting; instead I use the alarm subdial as a second timezone to display GMT.
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    8 of 8 people found the following review helpful By S. Mullins on July 12, 2006
    Purchased this watch due to the features (light weight, durability, 200m water resistance, alarm, and chronograph). When I opened the box, I was stunned at the build quality and precision operation. All hands align exactly with the markers and every detail is sharp. Understated class is the way I describe the appearance of the watch. As stated in other reviews, the only negative I have found is the need to set the alarm within 12 hours each time you need to use it. Otherwise...great watch!
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    Verified Purchase
    I really love my Seiko Men's Alarm Chronograph Titanium Watch #SNA139. In fact, even though I own several more expensive watches (and plenty of cheaper ones too) this one has by far become one of my favorites. I have owned this watch for well over 2 and 1/2 years at this point and I'm sure that the warrantee will run out before it ever has a problem. In fact I have never even had to change a battery.

    For starters, the most important feature of any good watch is the ability to tell time. Unlike several other watches I own in this price range, the Seiko excells here. I can't provide exact measurements because the time variance has been that low, on the order of perhaps seconds per month.

    When it comes to watches in this price range, most of them are steel and as a result MUCH heavier. The titanium band and casing result in a very light watch, it almost feels like it's not even there.

    Yet having work my watch during some grueling long distance runs as well as carpentry work, I can honestly say this watch is very durable. I have had the misfortune to have this watch smacked against by others, and while I do have one small scratch on the bezel it is minimal in light of how long I've had this watch.

    The chronograph feature of the watch works nicely. I consider it an extra, because it's not the primary reason I would have bought this watch. It will certainly do in a pinch, but I suppose heavy chronograph users might need more intervals than this provides.

    I personally like the black face, but if you need a white face the
    ...Read more ›
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    6 of 7 people found the following review helpful By slymi on August 12, 2006
    Excellent chronograph (very nice looking and very light) and excellent price, even if the alarm is not designed for daily use. My problem was that the watch, sold by WatchZone, was deliverd with the case scratched and without warranty booklet, but I can't return it because of the too expensive fees as per WatchZone return policy (1/3 the watch price, from europe). I hope that Amazon will check better the policies of its "marketplace seller" for better costumer satisfaction! how can I be satisfied of a new watch scratched that i can't return? people, please, read carefully before buying!
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    5 of 6 people found the following review helpful By Andrew McCarthy on September 10, 2006
    Verified Purchase
    For about $100, this is an excellent watch. The band and case are well made, even compared to $300-400 watches. The face and (very slightly) curved crystal are handsome and not too dressy. However, the "Hardlex" crystal material is not exceptionally hard. It's too bad Seiko (apparently) doesn't offer titanium watches with sapphire faces. "Sapphire" (mineral name: corundum, chemical formula: Al2O3) has a hardness of 9 on a scale of 1 to 10, where diamond is 10. My watch crystal picked up scratches on the first day of wearing it. The hardest common material that could have done the scratching is quartz, with a hardness of 7, making me suspect the "Hardlex" is just some type of doped quartz. However, after almost 2 weeks of wear the face has only one scratch, and I'm rough on my watch, always hitting it against things and putting it in my pocket with keys and change.

    The watch is not particularly lightweight if you're used to plastic- or leather-banded timepieces. I tried a few other Ti Seikos at department stores and they were much lighter and thinner. Several times a day I notice the second hand has stopped because the second timer button hits something (my wrist?). However, a few positive surprises: the main second hand moves several times per second, giving it the look of near-continuous movement. The glow-in-the-dark hands seem quite bright. Sometimes I notice the glow, even just in a dim room.

    Highly recommended for a $100 watch that can pass off as a $300 watch. If you can't handle scratches, go for a heavier (and pricier) sapphire crystal watch.
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