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| Citizen Eco-Drive Men's Nighthawk Stainless Steel Watch #BJ7000-52E | 
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| Brand: Citizen
Category: Watch
List Price: $395.00
Buy New: $237.00
You Save: $158.00 (40%)
New (6) from $237.00
Avg. Customer Rating:  43 reviews
Sales Rank: 683
Band Material: stainless-steel
Bezel Material: stainless-steel
Case Diameter: 46.5
Case Material: stainless-steel
Case Thickness: 12
Clasp: fold-over-clasp-with-push-button
Dial Color: black
Dial Window Material Type: Mineral
Watch Movement Type: Citizen Eco-Drive
Water Resistance Depth: 660
Shipping Weight (lbs): 3
Dimensions (in): 5.5 x 4 x 3.8
MPN: BJ700052E
Model: BJ7000-52E
UPC: 013205067662
EAN: 0500802122219
ASIN: B00074KYC8
Shipping: Eligible for Super Saver Shipping
Availability: Usually ships in 24 hours
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| Features:
| • | Movement - Solar Powered No Battery Required Quartz Movement | | • | Water Resistant - 200 Meters(666ft) Water Resistant | | • | Crystal - Mineral Crystal |
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| Editorial Reviews:
Amazon.com Product Description
A serious timepiece for the serious watch collector, the Citizen BJ7000-52E stainless steel men's watch offers powerful timekeeping functions for your favorite aeronaut. The large round watch case measures approximately 1.6 inches in diameter. It has a thin silver bezel the houses a black dial with a pilot's inner rotating slide rule bezel, which is operated by the secondary crown at 8 o'clock. It has large luminous hands and markers for readability and low-light visibility and dual time (GMT) capability. The triple link bracelet band is composed of brushed silver stainless steel pieces, and it's joined by a push-button folding safety clasp. Other features include a water resistance to 200 meters (660 feet), low-charge indicator window, power saver function, and a scratch-resistant, non-reflective mineral crystal.
Product Description
Modern details and a classic stainless steel strap combine for sophistication. With Pilot's inner rotating slide rule bezel operated by the crown at 8 o'clock. Features 180-day power-reserve, time-reset advisory, low-charge indicator, power-saver function and luminous hands for low-light visibility. Water resistant up to 200 meters.
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| Customer Reviews: Read 38 more reviews...
 Eco-Friendly Watch That Calculates Fuel Consumption, Speed, Arrival time etc..., April 23, 2006
61 out of 63 found this review helpful
Sweet watch, I've been wearing mine for 4 months.
I'm an Environmental Engineering Student and I also currently own an Omega Speedmaster ($2100 graduation gift long ago) and a Titanium Pro-Trek Casio Triple Sensor Watch (Compass, Altimeter & Temperature $295.00) that I used for my previous job as an outdoors wilderness instructor.
Both those watches are extreme (the Casio being too rugged, big and bulky the Omega being very freaking expensive) for everyday use and wanted something that suited my keen personality, short budget and modern taste.
I never liked anything in terms of jewelry or watches from department stores or malls, but when I walked into MACY's during Christmas shopping last december at the local mall I saw these Eco-Drive watches for the first time.
It has always been my opinion that Citizen makes very old fashioned timepieces, yet the Nighthawk Eco-Drive is very different and far more classy than any other Citizen watch on the shelf. Some of the other newer Eco-Drive watches also look edgy and fresher. But the nighthawk captures a boldness with it's appearancethat is very timeless. Needless to say, I tried it on and was sold.
The features are amazing, apart from all the other "timekeeping-based and solar powered-based features you can read about everywhere else on the internet, the Nighthawk also has a multi-functional Slide Rule. This is not really praised or mentioned anywhere else so I will tell you what it is, what it does and why it makes owning this watch very cool!
With the slide rule you can calculate your car's fuel consumption, average speed/velocity and the time you will arrive at your destination, you can also multiply and divide numbers, calculate ratio's into percentages, integers and decimals, covert liters to gallons, pounds to kilograms as well as other metric conversions. The slide rule also performs a few more complicated calculations that involve airplanes and nautical vessels that are beyond my understanding.
At any rate, these calculations can be done by simply rotating the NightHawk's bezel and matching specific arrows at certain points along the dial. (If you don't believe me, you can download the Nighhawk's PDF manual and read up on it for yourself.)
In fact, it is easier than using a calculator and clears up the big mystery of what people used before computers and electronic calculators were invented; they used the "Slide Rule".
Being a grad student, I've read about the slide rules in a variety of classes but I never thought that I would own one on my next watch. I also would have never guessed that the slide rule is so efficient and easier to use than the graphics calculators we use in school.
The only negatives cocerning the Slide Rule feature on the NightHawk are the numbers on the slide rule dial are small and angled inwards so that they are tricky to read without tilting the watch around to get a good view of the numbers. Also the slide rule only approximates and produces whole numbers for some of the more advanced calculations.
Overall, I found that the useful geek-features, outdoorsman durability, everyday comfort and eco-friendliness to be well synthesized in the classy steel body of the Nighthawk Eco-Drive.
 Great watch but needs a stopwatch for aviators September 30, 2005
25 out of 26 found this review helpful
Great watch:
looks great--I get a lot of comments
doesn't need a battery
fantastic layout--a lot of info at a glance: date, local & zulu times
luminous hands
slide rule easy to use and numbers won't rub out (like on external bezel ring slide rules)
However, for serious aviators:
no stopwatch! You will want a stopwatch to go with the slide rule for basic dead reckoning
you'll need another light source to read the slide rule if you're flying at night
also, the crown has an occasional tendency to work itself loose and you can lose your time hack if you don't tighten it every couple days
The closest I've seen to the elusive "perfect aviator's watch"
FANTASTIC WATCH August 21, 2005
10 out of 11 found this review helpful
GREAT WATCH, THE PRICE WAS EXCELLENT AND SO IS THE QUAlITY OF THE WATCH. THIS IS MY SECOND CITIZEN WATCH AND I am very pleased with the way the watch performs. highly recommend it.
cool "calculator" watch. April 17, 2007
9 out of 10 found this review helpful
It get's 4 stars because, well what would you expect, the slide rule is accurate to 2 decimal places. And it could have given you 3. Oh well. If you are using your watch to calculate your arrival time you probably don't really care if you are off by a few minutes.
Ok, why is a circular slide rule cool? First, lots of common calculations are really just ratios. Kilometers to miles or statue miles to nautical miles, pounds to Kilograms's. This watch has the markers in the slide rule, so you just align one mark with the number you want to convert and look at the number that the other unit of measure is over and there you are. You do have to keep track of the magnitude of the answer but that's not hard. You can do sq roots but it's a pain. Basic multiplication and division is easy. Doing the approximation for a tip at restraunt, just set the percentage over the "10" mark, and look for you bill at the inside ring, read the tip on the outside ring. No need to even adjust the watch. You can easily set it up before dinner. Note: if you stare at your watch while trying to read the tip value, you may get called "rude" by your date! Better to just overestimate...
Downside, if you do not have perfect vision, you'll have a hard time reading the sliderule. Don't even think about doing this while you are driving. My eyes are fine with it in good light.
On the other hand, the time hands and numerals are plenty large enough and easy to read. The luminescent marks seem to stay bright for about an hour, which is good enough for us casual night hawks. Otherwise you need a watch that has tritium and who knows whether that will pass airport security these days.
One other thing is that the 24 hr inner hand can be easily obscured by the main watch hands. So this feature not very handy as a second timezone clock. It will help you remember the military time, but at say 11:00 you can't see the underlying hand. Not a big thing, and I suppose if you set to say 8 or 9 hours difference it might be more visible.
All in all, a cool watch, even if the slide rule control is built for a lefty.
Citizen - who'd have thought it? December 7, 2005
8 out of 8 found this review helpful
This is the first Citizen brand watch I've ever bought, and so far, it's as good or better quality than more expensive TAGs I've owned. About the only thing missing (aside from a stopwatch, as noted earlier - but that's debatable if you're not a serious aviator) is a sapphire crystal, which would probably prevent scratches a little better than the standard mineral crystal. For this price, though, I'm not complaining.
I like the layout, the overall appearance and something else nobody mentioned - the band clasp is a very smart design. Not only does it have something similar to the Rolex "Flip-Lock" clasp, but the main clasp has what can best be described as a squeeze lock, which must be pressed together from the sides of the band to release it from the wrist. This thing isn't coming off accidentally.
I got the stainless version, but there is a titanium one available as well as an all-black version. The all black version looked kinda cheap and the titanium was more money, so stainless was the one I chose. Even though I'm not a pilot, the slide rule is functional (perhaps even useful, in some situations) and the instructions for it are easily understood. All that and a five year warranty. And I always equated Citizen with cheaper-made watches - I stand corrected. No regrets.
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