CDH00001B
If you are looking for affordable mechanical watches with added features like world time, slide rule, power reserve, open heart, sub second, etc, you should look no further than Orient.
Orient is known for incorporating these features into their watches and this time round, I had the opportunity to handle an Orient with dual time and slide rule features. The watch is called the Orient Dual Time and the model number CDH00001B.
The watch is powered by the new 48K40 movement that comes with stop second (hacking) feature. The second hand stops when the crown is pulled to the second click position.
Below is a closer shot of the dial. The sub-dial at the 12 o’clock position shows the remaining power reserve. Maximum power reserve is 40 hours.
The dual time window is located between the 9 and 10 o’clock hour markers. This feature allows you to keep track of the time in another country and can be set independently.
The sub-dial at the 6 o’clock position shows the date and surrounding the dial is the rotating ring of the slide rule.
The crown at the 3 o’clock position is used to set the local time when pulled to the second click position.
When pulled to the first click position and rotated anti-clockwise, it sets the date pointer in the date sub-dial. When rotated clockwise at this position, it rotates the dual time disc. To use the dual time feature, rotate the crown until time(hour) in the other country is aligned with the red arrow on the dial.
The crown at the 4 o’clock position is used to rotate the slide rule. It can be rotated in both directions.
Below is the side profile of the watch. It is installed with a flat sapphire crystal with anti-reflection coating.
And here are the caseback shots. The crystal on the caseback is a sapphire crystal as well.
Besides the CDH00001B, there is another dial variant as shown below.
CDH00002B
The watch measures 45mm across excluding crown and thickness is roughlt 13mm. Both variants comes with leather strap and push button deployant buckle. Lug width is 22mm.
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Orient CDH00001B featured in this post is provided by:
Authorized Orient Distributor in Singapore:
483 Sims Avenue, Singapore 387555
Tel: 6273 3355 Fax: 6278 8929
bigtime@singnet.com.sg
www.chang.com.sg
14 thoughts on “Orient Dual Time – CDH00001B”
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Yeoman's Watch Review 
I just want to know whether this watch have any perpentual date function. As I know this watch do not have this function.
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Hi Jason,
This is a mechanical watch. There is a date subdial at the 6 o’clock position. However, it is not the perpetual type you see in some quartz watches.
Best regards,
Thomas
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mechanical watches cannot have perpetual date?
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Mechanical watches cannot have perpetual calendar. They cannot automatically adjust for the length of the month including February and leap years.
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I thought there are indeed some mechanical watches with perpetual calendar (made by IWC, JLC, Patek, etc.). The problem is that they cost big, big money (into six figures $$).
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I think quartz perpetual calendar watches are more affordable.
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Thanks for thr nice review, im getting one now. For the perpetual im totally agree, quartz is much more realistic, we dont really need thsi feature dont we, because all of us now own a mobilephone right, and all mobile phone has the perpetual calendar 🙂
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These days I actually rely on my smartphone for date and time. I seldom set the date on my watches.
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does anyone know the difference between CDH00001B and FDH00001B?
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No difference. Just different model number in different regions.
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If I am not wrong, this watch is also called the Orient Explorer. I have this watch. It’s a big watch. The dial is a bit busy and difficult to catch the time in a glance but once you get used to it, it’s ok. The slide rule bezel with so tiny numbers is practically useless but hey, it’s something different.
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Yes, it’s called Orient Explorer.
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