$440.00 MSRP $550.00

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$440.00 MSRP $550.00

Revamped and reinvented, the new sport styled CITIZEN Nighthawk is here to stay. Powered by any light, this watch never needs a battery. Featuring chronograph, 12/24-hour time and date in a granite ion-plated stainless steel case and bracelet with charcoal grey dial and vivid red accents. Featuring our Eco-Drive technology – powered by light, any light. Never needs a battery. Caliber number B620.

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We stand by the quality and craftsmanship of our timepieces. Every purchase comes with our 30-day, money-back guarantee so that you can be sure your new Citizen timepiece meets your expectations. We offer free returns for added convenience. 

Our 5 Year Limited Warranty accompanies your watch purchase on, Citizen retail stores, and authorized Citizen dealers. Register your watch on and receive 1 additional year warranty coverage free of charge.

CZ Smart smartwatches are covered by a 2 Year Limited Warranty.

Citizen Clocks are covered by a 1 Year Limited Warranty.


Our Five-Year Limited Warranty about the Citizen 5 Year Warranty

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Mens, Bracelet


Gray, Luminous Hands and Markers

Case Size (mm)


Case Material

Gray, Stainless Steel


WR200/20Bar/666ft [Swimming, Showering & Snorkeling]


Mineral Crystal


B620, 1/5 Second Chronograph Measures up to 60 Minutes, 12/24 Hour Time, Date

Setting Instructions FOR CALIBER B620
Download PDF Watch Video
Nighthawk is rated 4.5 out of 5 by 31.
Rated 5 out of 5 by from Love it! This is my 3rd Citizen watch and it did not disappoint. Very happy. Have had many compliments on it.
Date published: 2017-09-19
Rated 3 out of 5 by from Good, not great. I bought this a few months ago and overall it’s a great watch except for one thing that drives me nuts that I thought I could live with. I cannot read the time in low light conditions. Nothing about this watch is “luminous” like they claim. Because of this, I have a habit of checking time with my phone, so this watch is more of a “look good piece” than it is functional. I’d return it if they would take it back, but oh well. I guess I’ll have to do my homework and research whether or not a luminous watch by Citizen is actually what they say it is.
Date published: 2018-11-24
Rated 3 out of 5 by from Can’t read in the dark Looks great. Feels great. Fits well. But impossible to read in the dark or near dark
Date published: 2017-12-13
Rated 5 out of 5 by from Love this watch! Not my first, nor will it be my last Citizen watch. Beautiful watch with the style, fit, finish, and precision to be expected from Citizen. I've received many compliments on it, and it's a great addition to my collection.
Date published: 2018-04-06
Rated 4 out of 5 by from Functionalty I bought this watch a week ago and am not 100% pleased. I like the way it looks, but is difficult to read at night. The dials and the numbers are not illuminated making the Time almost unreadable.
Date published: 2017-11-12
Rated 5 out of 5 by from GORGEOUS WATCH Bought this very recently and am very pleased with it. Everyone comments on how nice it is. This is my second Citizen watch among many other brands. I will wear this regularly. I hope the finish stays, as it's simply fantastic looking.
Date published: 2018-04-27
Rated 3 out of 5 by from Watch hands blend too much with face! I love the look of the watch, but have a hard time telling the time because the watch hands blend too much with the face. Hands should have red color like the stopwatch hand. Does not have a night time glow either.
Date published: 2018-01-02
Rated 4 out of 5 by from Comfortable to wear, looks great Bought this watch and had to return it. The hour and minute hands were hard to see in anything but a well lit room. I could not see the hands in a room with moderate light and the luminescent hands did not stay glowing more than a couple of minutes.
Date published: 2018-12-09
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When I pull the crown two clicks and turn clockwise, the minute hand goes counterclockwise, is my watch broken? 

Asked by: Watchicon12
Answered by: Rob25
Date published: 2019-05-26

What is the center bottom dial for on this watch? I don't see anything in the description about it.

Asked by: Mike15y
The bottom dial on the model watch mentioned is where the second hand for the watch is located. The long skinny sweep red hand is the chronograph second hand. If you have any other questions and wish to speak to someone directly, please contact our customer care department. Our Customer Care Department may be reached at (800) 321-1023, Monday through Friday, 6:00am to 5:00pm Pacific Time.
Answered by: CitizenCS
Date published: 2018-07-25

I just had a couple questions about registering my watch. Where do I find the serial # and caliber of my watch? The model # is CA4377-53H. Thank you

Asked by: Jordan92
the best answer i can give is you google how to find it on you watch, it will come up, i have had to do that for 2 of my watches i have............ i think i also googled how to set the time and there will be a video and will show you where to find it
Answered by: Curts
Date published: 2018-06-19
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