原文：The direct descendent of the original Casio G-Shock that was released in 1983 is the GW-5000, which is available as an import from Japan. This GW-M5610 is a first cousin of that pricier watch and it carries on the tradition of tough square G-Shocks. What you lose from the GW-5000 is the stainless
steel case with a screwed-down back whereas the GW-M5610 has a resin case with a stainless steel back plate held down with four screws. Both watches have identical features including solar charging, atomic time synchronization, World Time, four daily alarms with snooze function, a countdown timer, a stopwatch, and electroluminescent illumination that can be automatically engaged with the movement of your wrist in a dark environment. The GW-M5610 gets a red surround and white, blue, and yellow writing on the face which makes it a little busier aesthetically than more monochromatic versions of the 5000 and 5600 series.The first thing I noticed about the watch is how much smaller, thinner, and lighter it is compared to round G-Shock versions I own. It is an excellent choice to wear under long sleeves and jackets because it easily fits underneath them with minimal interference. I will be using this watch in the winter months for daily wear due to its sleek profile. The second thing of note is the crisp clarity of the numbers in the positive LCD screen. It surpasses my Casio Pro-Trek PRW-3500 in regards to off-axis legibility even though the Pro-Trek’s digits are 50% larger than the GW-M5610’s. I am really impressed with how good this watch’s display is.I find the strap fits comfortably on my 7-1/2 inch wrist. The light weight makes me forget that I am even wearing a watch at all. Contrary to the dozens of complaints from previous owners here on Amazon, my auto backlight function works perfectly fine even though I leave it shut off in order to conserve power. My watch was manufactured on January 8, 2015 so maybe Casio has finally fixed the issue with faulty backlight switches. There are several one star reviews of this watch here because of this issue and I honestly cannot understand how one can downgrade the rating of the entire watch due to one feature that most G-Shock users end up turning off anyway. The auto backlight duration unfortunately is not adjustable like my Pro-Trek and Gulfmaster. I would prefer the ability to lengthen it from 1 second to 3, but this is a minor nit.The function buttons are all recessed into a protective niche on the side of the case so pressing them only works for me when I use the tip of a fingernail. Action is positive and appropriate for the pressing force I apply. The World Time, stop watch, and timer functions all work like other Casio digital watches and are intuitively accessed with mode button. The one complaint I do have is that the volume of the alarm signal is very weak and probably would not wake a person from a deep sleep. If Amazon’s star rating system would allow it, I would subtract a half star for this and would suggest not relying on this watch for important wake-ups and instead using the alarm from dedicated alarm clock or smart phone. Note that this isn’t any different than the other Casio solar-charged watches, so it may be a function of reduced battery capacity.My watch arrived from Amazon with the power reserve showing at the Medium level. I put it out in the sun for about 30 minutes and the reading went to High. I set my home city, clicked Daylight Savings Time to the automatic setting, and synched the watch to the atomic clock signal in Ft. Collins without any trouble. Each evening just after midnight it synchs automatically so the watch always has an accurate time reading. I’ve had no issues with not receiving the signal but then again I live in a state bordering Colorado and all my atomic watches synch each day without fail.This watch is a great heir to the spirit of the original G-Shock. It wears small and comfortably on the wrist, is tough as nails, cost about one-third of what the GW-5000 does, has the accuracy of atomic synching, should run for a decade or more on the original solar battery (note that all solar watches will need to have the rechargeable battery replaced as some time in their lives), and has a very clear and legible display.As a long-time G-Shock owner, I have previously been drawn to only the round case models. I find it remarkable that after finally taking the plunge with this square case GW-M5610 that I have been absolutely delighted by this watch. It’s certainly not very flashy and has a nerdy charm of its own. No one in going to compliment you on it, but that’s all part of the fun of being a G-Shock fan. I now regret taking so long to come around to the Square Side and can recommend this watch most highly.
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译文：从日本进口的GW-5000是由1983年发售的卡西欧G-Shock演变而来。这款GW-M5610是该款手表的第一代产品，秉承了很好的G-Shocks传统精神。GW-5000失已经没有了不锈钢表壳，背面有一个螺丝扣，而GW-M5610有一个树脂外壳，不锈钢背板用四个螺丝固定。这两款手表具有相同的功能，包括太阳能充电，原子时间同步，带有世界时间，四个有贪睡功能的日常闹铃，倒数计时器，秒表和电致发光照明等，可以在黑暗的环境中自动识别您的手腕动作。 GW-M5610表盘上有一个环绕的红色材料和白色材料，还刻有蓝色和黄色的字，这使得它在美观程度上显得比5000和5600系列的单色版更华丽一些。
我注意到手表的第一点是比我所拥有的G-Shock版本更小，更薄，更轻。这是一个很好的可以戴在长袖和夹克下的手表，因为它最适合戴在下面，干扰也最小。因为它有着时尚的外形，所以我会在冬季的时候一直戴着这款手表。注意到的第二件事是正面LCD的屏幕数字很清晰。Pro-Trek的数字显示比GW-M5610要大50％，它的离轴可读性也超过了我的卡西欧Pro-Trek PRW-3500。我对这款手表的展示效果印象深刻。
我发现这个表带很适合我的大约7-1 / 2英寸的手腕。重量太轻甚至经常使我忘记我一直都戴着手表的。与之前在亚马逊的几位顾客的抱怨相反，我的手表背光性能得很好，即使我为了节约电力而关闭它也是一样。我的手表是在2015年1月8日制造的，所以也许卡西欧终于解决了错误的背光开关这个问题。这里有一星评论都是由于这个问题，我是真的不明白怎么会因此而降低对手表的评价，因为大多数G-Shock用户最终都会选择关掉这个功能。不幸的是，自动背光的持续时间不像我的Pro-Trek和Gulfmaster那样是可调的。我宁愿把它从1秒延长到3秒，但这是一个小小的缺陷。
功能按钮都隐藏在手表侧面的防护壁龛中，因此，只有在使用指甲尖的情况下才能使用它。只要我稍微按它一下就可以了。世界时间，秒表和定时器功能都像其他卡西欧数字手表一样的工作，并可以通过模式按钮直接使用。我有一个不满意的地方是，报警信号的音量非常弱，一个人深度睡眠的时候可能唤醒不了。如果亚马逊的星级评分系统允许的话，我会为此减去一半的星级评价，并建议大家不要依想着用这只手表来叫醒你，而是使用专门的闹钟或智能手机的闹钟。请注意，这与其他卡西欧太阳能充电手表没有什么不同，所以它可能是电池容量减少的原因。
我的手表是在亚马逊买的，电量储备显示差不多在一半的样子。我把它在太阳下放了大约30分钟，看到电量充到了高电量。我设置了我的家乡，点击夏令时进入自动设置，并将手表同步到Ft中的原子钟信号，中间没有出现任何麻烦。每天晚上午夜之后，它会自动进行同步，所以手表的时间总是有准确的。我都没有动过，但是遇到了收不到信号的问题，但是当我再次住进科罗拉多州的一个州时，每一天我的原子钟都会同步运行。
这款手表是G-Shock原创精神的继承人。它在手腕上小巧舒适，材料坚固得像指甲一样，成本约为GW-5000的三分之一，具有原子同步的准确性，原始太阳能电池应该可以运行十年或者更长时间（请注意，所有太阳能手表将需要在它的一生中的某个时间重新更换可再充电电池），并且手表显示具有很高的清晰度。
作为一个长期买G-Shock的人，我以前只被看到过圆形案例模型。我发现这款手表的时候我非常高兴，终于开始大胆尝试这款方形表壳GW-M5610。这当然不是很华丽，但有其独特的魅力。没有人会恭维羡慕你，但是这是G-Shock粉丝的乐趣的一部分。我现在很遗憾花了这么长的时间来到这里，但是真心推荐这个手表给你。
来自美国亚马逊网站的买家最新点评(3)
