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  • Seiko Men's SRP307 Classic Automatic Dive Watch
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Seiko Men's SRP307 Classic Automatic Dive Watch

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List Price: $525.00
Price: $184.00 & FREE Shipping. FREE Returns. Details
You Save: $341.00 (65%)
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Sold by Mega Time and Fulfilled by Amazon. Gift-wrap available.
  • Imported
  • Bold hour markers and a sharply contrasted face add contemporary appeal to this robust watch from Seiko Men's, perfect for those who wish to convey casual confidence.
  • Japanese automatic movement with analog display
  • Protective Hardlex crystal dial window
  • Features include lumibrite hands and markers
  • Water resistant to 660 feet (200 M): suitable for recreational scuba diving
i This watch is also available with a manufacturer warranty from, another seller
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Product Specifications

Watch Information
Brand, Seller, or Collection Name Seiko
Model number SRP307
Part Number SRP307
Model Year 2014
Item Shape Round
Dial window material type Hardlex
Display Type Analog
Clasp Fold over clasp
Case material Stainless Steel
Case diameter 45
Case Thickness 13
Band Material Stainless Steel
Band length Mens-Standard
Band width 20 millimeters
Band Color Not Applicable
Dial color Black
Bezel material Stainless Steel
Bezel function Unidirectional
Calendar Day and date
Special features Rotating Bezel
Movement Japanese-Automatic
Water resistant depth 660 Feet

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.

Stainless steel case with a stainless steel bracelet. Uni-directional rotating stainless steel bezel. Black dial with luminous hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Day of the week and date display at the 3 position. Automatic movement. Scratch resistant Hardlex crystal. Solid case back. Case diameter: 42 mm. Case thickness: 11 mm. Round case shape. Band width: 20 mm. Deployment clasp with push button release. Water resistant at 200 meters / 660 feet. Functions: date, day, hour, minute, second. Casual watch style.Seiko 5 Sports Diver Automatic Black Dial Stainless Steel Mens Watch SRP307

See all Product Description
  • ASIN: B00AJK9CW8
  • Product Dimensions: 5 x 4 x 3.4 inches; 15.2 ounces
  • Shipping Weight: 15.2 ounces (View shipping rates and policies)
  • 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: SRP307
  • Batteries: 1 Nonstandard Battery batteries required. (included)
  • Amazon Best Sellers Rank: #1,653 in Watches (See Top 100 in Watches)
    • Average Customer Review:

    Customer Reviews

    This is a mechanical "automatic" watch.
    Amazon Customer
    I had a chance to get another watch and was blown away with the quality of Seiko.
    Great looking and so far, very accurate.

    Most Helpful Customer Reviews

    43 of 45 people found the following review helpful By Amazon Customer on March 27, 2014
    DESCRIPTION: The revised Seiko SRP307 "Black Monster" with the new 24 jewel 4R36 mechanical automatic movement replaces the legendary SKX779 "Black Monster" with the venerable 21 jewel 7S26 movement. Externally, the two watches are very similar, with the most notable changes being removal of minutes/seconds numbers from the watch face and use of a knurled rather than ridged stem on the new version. Internally, the changes are much more dramatic. The new 4R36 movement adds the ability to stop or "hack" the watch at any seconds position, allowing precise time setting, and it also adds the ability to hand wind the watch, both of which were missing in the 7S26 movement. Just as important, the 4R36 movement appears to have much better accuracy (ability to keep good time) and isochronism (changes in timekeeping due to state of wind and watch position), right out of the box. For those not familiar with this iconic and inexpensive timepiece, the Black Monster is an armored stainless steel dive watch advertised as waterproof to 200 meters (658 feet). It is both rugged and reliable, but was not particularly accurate - until now. Its markers and hands rest under a domed mineral crystal on a black watch face and are coated with a generous amount of LumiBrite, allowing them to glow perceptibly for hours after exposure to light. Hours, minutes, seconds, day and date are indicated - day and date through a window in the watch face at the 3 o'clock position. The crystal is further shielded by a sloped and very rugged unidirectional, stainless-steel timing ring whose inner ridge is lower than the outer ridge - the exact opposite of most dive watches - to protect the crystal. The timing ring moves only counter-clockwise, 120 clicks per revolution, and is very smooth and well damped in operation.Read more ›
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    25 of 28 people found the following review helpful By M. JEFFREY MCMAHON TOP 500 REVIEWERVINE VOICE on April 30, 2013
    I have both Seiko Black Monster generations, the one you can't hack or wind, and the new version, the SRP307. The new version is identical in case size, bracelet, and overall look, but there are subtle differences. The second gen also has a red second hand and all shark teeth indices. Also the indices are bright white whereas the first gen is more of a yellow color.

    The lume on both is A plus. This is professional grade on both.

    The biggest difference however is the movement. The new Monster has a 4R36 movement, which can be hand-winded in addition to being powered through movement.

    At first, I liked the look of the old Monster but the new Monster has grown on me and I can't decide which one I like best from a visual standpoint. However, if forced to choose, I'd go with the new version because of its superior movement.
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    24 of 28 people found the following review helpful By MAVS DAD on YouTube on November 1, 2013
    Verified Purchase
    I ordered the new/updated version of Seiko's iconic "Black Monster" on Tuesday and got it on Friday a full day ahead of the Amazon expected arrival date. As usual Amazon shipping is fast and if you spend over $25.00 with Amazon and/or it's an item Amazon sells themselves or is "fufilled" by Amazon shipping is free. Love it.

    Now if you're not a Seiko expert(like my humble self) this part of the review will mean nothing to you. The watched pictured is the Japanese made version of the Black Monster with the tiny print designation "Made In Japan" on the dial right past the 6 o'clock indices on the left which is actually the SRP307J not the more common but still equally well made SRP307K made in Singapore. I was hoping to get the Japanese made model as pictured on the Amazon site but that was a pipe dream. Some folks think and will pay slighty more for the Japanse made version thinking it might be better made. It's possible that the Japanese version is better made but I'm more likely to think that no matter where the Black Monster is made, it's made in a factory staffed by Japanese Seiko management and subject to the same strict and exacting standards as the versions actually made in Japan. So no matter where your Seiko is made you will always get an excellent watch. Seiko fans like myself just like the "Made In Japan" on the dial.

    Now for the watch review itself(a video review will be on my YouTube page in a couple days under MAVS DAD). These Black Monsters are incredibly well made for the money. They are solid and feel like you're wearing a $5000.00+ Omega or Rolex on your wrist. They are simply unrivaled in quality at this price point...thus explaining their tremendous popularity and loyal following by those that know about watches.
    Read more ›
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    12 of 13 people found the following review helpful By BC on June 11, 2014
    Verified Purchase
    Did lots of reading before ordering 3 months ago directly from Amazon as seller.

    A lot is covered by others so I will add what could be worth covering again or suggestions.

    1. Order from Amazon and get the watch pictured. Mvmt Japan. Any issues or unusual behavior on accuracy - return it to Amazon. Three year manufacturer warranty.
    2. This Automatic is using the 4R36 movement. Look it up - spring powered. It means you have to wear it almost every other day. Obligation. Its an odd word but fits.
    3. Heavy like at stack of 1/2 dollar coins on your wrist but almost smooth minute hand.
    4. Lume on hour marks and hands amazingly brightest flare at first then goes down. Compared to a circa 2000 Ti Wenger (Battery), Citizens BM6400 (solar - battery ) and Reactor Prism (battery) - middle of the night its all the same. Its how the hands and markers are shaped that will give the deciding read factor. Numeric markers actually help instantly identify the time.

    After three months so far having learned the behavior of this watch or it training me, here are some patterns. This is the behavior of the one I got so comparing USNO clock:
    At activity 4 hours of total walking, watch jumped over +1 minute.
    At activity desk jockey and 1 hour walking and rest at night, watch stabilizes at -4/+2 sec net time 24hr day.
    1st month it was all over the place + or - 7 sec day. I finally realized it needs a pattern to behave in a predictable manner.

    I read and applied this method to stabilize pattern after you break it in. I did this after 2 months. Let is wind down. Wear for 5 days rest 1 day. It stabilized it to -2 sec day first week then below.

    One day on and one day off now back to -4 sec. So this is a negative time loss watch.
    Read more ›
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