A little better in detail - great price / performance

Casio Edifice Mens Watch Chronograph Quartz EF-527D-1AVEF
My third Casio clock and the most beautiful.
Plus points
1. hand moves continuously and will jump not only every 20 seconds
2. slide rule, not just to fly, but for all three calculations
3. second hand can be switched off (button at "Save Review 4 clock") jumps to current time with renewed pressure
4. second hand jumps to the exact locations to zero
5. possibly deformity of the second hand correctable (Read the manual)
6. Very accurate running: gerechbnet after a week still within one second, the month ie less than 4 seconds - better than 20 seconds, as indicated
7. Very good Clasp on Bracelet

Negatives
few, literally dots
1. Bracelet somewhat angular, my other Edifice clock has rounded the edge members, I like it better
2. Display but very small concerns what the stopwatch minute hand and the slide rule. Needs good lighting. Improvements would make the clock even bigger. Maybe a white dial with black lettering would be better read.
3. afterglow not as good as advertised. Perhaps because of the saving lamps that I use to excite that just have only certain spectral lines that do not match the clock with whom. Be indeed been good to something müsssen bulbs.

A very stable, precise and beautiful clock with a simple, functional design at an affordable price. The manual is sufficient. Most mentioned in other reviews are by problems Note to resolve the same. The slide rule (also: slide rule) can be explained at Wikipedia.

The Casio instructions misled the ignorant the impression that she was only of interest to pilots. That is not so. I am bothered the flier specific "benchmarks" on the slide rule only. One can thus find out what is now cheaper discounters, the glass cucumbers 720g for 69 cents or the glass with 1550g to 1:25 Euro. A flier clock sells for the Image-profit but more expensive, as a discounter and cucumber clock. The bottom line, however, is the latter more useful to the average consumer.

The clock really missing a solar powered radio drive. In the aforementioned accuracy its absence is hardly to notice. The added price you would pay for it, long enough battery power for decades. You have to adjust the date every few months, and can reset the clock on the occasion, you will always have an accurate, at least up to a few seconds clock, with the one must not miss a train or airplane.

Assuming the clock lose eg 4 sec per month and to set the clock on July 1, because June had indeed only 30 days, then you have the date on October 1 again correct (July and August have 31 days, in September and no action is required). The clock would lose in that time about 12 seconds. If you let go the places six seconds "before" the clock now, she will go exactly in mid-August and 1 October then six seconds "after". The deviation from the precise time is then a maximum of 6 seconds, and by rough estimate of the date can also include low error to the precise time from the displayed time.