re than 50% of the time. I still love my Eco-Drive and it remains my favorite of my well over 25 watch collection mainly due to its true "all-occasion" appearance (anything from beach to formal wear). This PRG-270 has now taken place as my general wear go-to watch and living in the southeastern U.S. I find having the weather related features to be valuable as we head further into spring.

I previously had the v.2 PAW-1300 ABC Pathfinder version which had been a favorite for several years until the solar rechargeable battery started to lose a bit of its storage capability after about 6 years of regular wear. It wasn't abused or subjected to rough usage but it did get its share of bumps and bangs that occur during everyday use. I frequently used it for swimming in both the ocean and in pools and it also was exposed to water from hand washing and occasional watch cleaning (either thorough fresh water rinses or washing using mild dish detergent and water) and I never had any problems with water or moisture getting inside the case. Even living in a very humid region and exposure to harsh sun intensity didn't seem to affect the watch. Prior to that I had one of the first v.1 models that I wore for several years without any problems until the battery finally died (that model was not solar like my PAW-1300 and the current PRG-270).

What makes this watch such a bargain is the fact that it includes the highly acclaimed v.3 sensor while keeping the ABC + thermo features as well as the Tough Solar option (I will only buy either solar digitals or automatic analogs because opening the case back either compromises the water resistance or requires an expensive battery replacement that also requires a replacement of the gasket/ring that creates the seal.). What makes this watch even better in addition to the improved sensor is the ability to manually set your home location (lat/long coordinates) which makes the sunrise/sunset data accurate. The only thing this watch is really missing is atomic time synchronization. For the price of this watch I can live without it and wouldn't expect that it would be included given all of the other features included. I synchronized the time on my PRG-270 to my Eco-Drive which does have atomic synchronization and after about three weeks it's still within about two seconds so this watch so far appears to keep very accurate time (with the exception of very specific specialized usage I would think that is more than accurate enough for almost all users and is more accurate than even high-end automatic analogs like Rolex and Breitling). This watch is on the large size for its case size but not excessively so that most wearers would not find it awkward or goofy looking. It is also fairly light for a watch of its size and the band size & length are appropriate for its size and the average person.

If atomic synchronization is a must then look at the ProTrek 3000 line and be prepared to spend about $100 more. If you can live without that feature then this is the watch you want if looking for an ABC watch with current sensor technology and solar power. Casio has a well established track record manufacturing these types of watches and a history of reliability and durability as well as continually developing and implementing improved technology over time. I would not hesitate to recommend this watch to anyone.

Just a side note - Most of the negative reviews I have read for this watch and similar other models appeared to be related to that user either not reading the manual and performing the initial setup properly or having unrealistic expectations from this watch. Please do not let them influence your decision to buy or not buy this model. If you do buy then be prepared to spend about 30 minutes or so to properly setup and calibrate the watch using accurate data for your location. Calibrate the temperature with the watch off your wrist at least 20-30 minutes to a known local and accurate thermometer. Do the same with the barometric pressure to a current accurate local reading. Location coordinates and altitude can be obtained easily from a GPS device or online sources (Wikipedia will work for those without access to GPS data or do not know where to obtain that information online.). Once you have accurate information entered I think you will find this watch to be valuable and enjoyable. If using the altitude feature for hiking/climbing you will need to calibrate the altimeter to a known reference at the beginning of your trek and if the weather/barometric pressure is volatile at the time then additional calibration to known reference points may be needed if on an extended trek. That would apply to even the most expensive ABC models so that is not a deficiency of this particular model.

我以前用过的v.2 PAW-1300 ABC 探路器版本，喜欢了好几年，直到这种太阳能充电电池在大约6年的正常使用后开始失去其存储能力。我一直很小心使用它，但它确实会在日常使用中偶尔发生颠簸和撞击。在游泳池或者海里游泳的时候我也还是戴着，洗手或者清洗手表的时候也会偶尔打湿手表（无论是完全用淡水漂洗还是用温和的餐具洗涤剂和水洗），我觉得水或湿气进入是没有任何问题的。即使被放在很潮湿的地方或者阳光下，手表也不会受到任何影响。在此之前，我有一个V1版本的，我戴了几年都没有任何问题，直到电池最终坏掉了我才没戴了（那个型号和我后来使用过的都不一样）。这个手表之所以便宜，是因为里面广受好评的V3传感器，同时保持ABC 热特性以及太阳能优势（我只会买太阳能手表或自手表，因为打开的时候是可以防水的，或需要用很贵的电池更换，也需要更换垫圈环。

除了改进的传感器之外，这个手表还能更好地手动设置你的家庭位置（详细坐标），从而使得日出日落数据更加准确。这个手表唯一遗漏的就是原子时间同步。就这个对于我来说不是很必要的手表的价格而言，我并不会奢望还有更多功能。我把手表的时间同步到我的ECO驱动器上，大约三个星期后，手表的误差还保持在两秒钟以内，所以这个手表的时间到现在还非常准确（除了非常特殊的专门用途之外，我认为这是超过对于几乎所有用户来说，都足够精确，甚至比像劳力士和百里灵这样的高端自动模拟设备更精确）。这种手表的尺寸大，但不是太大，因此佩戴者不会觉得它笨拙。这种手表也很轻，大小和长度几乎适合每一个人。

如果必须和原子同步的话，那就再看看ProTrek 3000 line，准备好再多花100美元。如果你不怎么需要手表的这个功能，那么这是你想要的手表，这种ABC手表有电流传感器技术，还是太阳能的。卡西欧制造这些类型的手表很可靠，十分耐用，而且随着时间的推移技术在不断的改进。我真的毫不犹豫地推荐这只手表给所有人。

附带说明，我看了所有型号手表的所有负面评论，好像都是因为大家在使用前没有看说明书或者本来就不怎么喜欢这款手表。如果你真的决定买了，那就请花大约30分钟正确地设置和校准手表，使用准确的数据定位。将手表戴在手腕上至少20-30分钟，用精确的温度计测量当地温度。用气压测量当前精确的局部读数。地理位置坐标和高度从GPS设备或在线源中可以轻松获得（没有GPS数据或者不知道从何处获得在线信息的那些人可以使用维基百科获取）。只要你输入了准确的信息，我想你会发现这块手表的真正用处所在，而且你会很满意。如果徒步旅行或者攀登的时候，你想知道海拔高度，你就要校准高度计；如果天气气压在当时是不稳定的，那你可能需要对已知参考点进行额外的校准。这些同样适用于最贵的ABC模型，因此这不是这个特定模型的缺陷。

ring it to me in my country (Romania) from USA. It's a good looking, awesome watch, simply I love it! The build is OK, seems solid and tough, the plastic don't give the feeling of cheap. It feels very good on wrist, comfortable and light, despite its size. It's a big watch, but even at my thin wrist (despite my 188 cm height) looks very, very good. Very intuitive, I didn't need to read the manual for settings. The only part I will read in manual is the calibration of sensors.
I don't regret at all my choice, because (in my opinion) G-Shocks under 150-200$ are ugly and poor in features.

我原本想要G-shock。直到最后，我才意识到我真正想要的不是G-shock手表，而是Protrek手表。我在亚马逊订购了一个（发货非常快，三天之内），让我朋友从美国带到我这里（罗马尼亚）,等了将近一个月。这个表真的很好看，我就是很喜欢！外形是好的，看起来很结实，虽然是塑料的，但不会给人一种廉价的感觉。戴在手上很舒服，非常轻，虽然尺寸有点大。尽管这是一个大手表，但在我的纤细的手腕上（尽管我的身高188厘米）看起来还是很合适，不会显得突兀。我基本不需要阅读手册就可以操作它，这也很好。唯一要看的地方就是传感器的校准。

选择买这个手表我一点都不后悔，因为（在我看来）150到200美元的G-shock很丑，而且功能也没那么多。