We go back to 1998 to have a closer look at the first G-Shock to harness the power of the sun with Tough Solar technology - the DW-9300 Raysman.
Features
First generation tough solar powered G-Shock, back-up battery ML2020 that lasts for 2 years after fully charged without any light exposure.
Telememo : Name up to 8 characters, Number up to 12 characters, storage capacity 30 records.
Operating temperature : -20C - 60C
Alarm : 5 individual alarm that can be set for daily, monthly, and hourly alarm.
Stopwatch : 1/100sec for maximum measurement 23h 59m 59.99s (24hours)
Timer : set for 1sec to 24hour, 1/10sec measuring unit.
Size : 55.3x52.0x18.5mm, weight 83g
12/24h time display.
Design and Appearence
Raysman is another water, shock and mud-resist digital watch from Casio. Like it's former brother MUDMAN DW-8400 (1995) and younger cousin GAUSSMAN AW-57X (1998), Raysman is also protected by single piece of urethane bezel. The design of bezel construction will keep away mud and dust from reaching into the case. Powered by 1803 module (some special/limited models are powered by 1583 and 1584 modules), Raysman has no time dials, you know the eternally rotating LCD indicating elapsing time. The day is clearly displayed by three letters, four segmented battery meter, years, month, date, hour, minute and second. Solar panel gives violet hue to the watch face. One of Raysman drawback is that current time is not displayed while in other mode. Suppose you are in timer mode, you have to switch to timekeeping mode in order to tell present time. The light button in stopwatch and timer mode is a little confusing. Instead of starting or stopping timer, D button (lower right button) now acts as light button. All buttons are recessed protected from any flat surface impact. Raysman is designed for full heavy duty performance. It is not sweet nor sleek, it is an urethane mound on your wrist.
Power
Being ancestor of all tough solar G-Shock this watch need no battery reaplacement for long enough time. Even in darkness the secondary power battery will keep the watch performing timekeeping for 2 years, 6 months with normal operation. Casio has chosen "bat" as symbol for this ability to stay awake in darkness.
Comfort
Raysman is a big watch, some may say that this watch fails to gain popularity because of the size. It is always felt on your wrist, seen and almost impossible to be concealed under shirt sleeve. Concealing under sleeve is not recommeded since this will block the light from recharging the battery. Pressing the buttons may gives sense like pushing Mudman and Gaussman, it is hard especially when you have to push for 2 seconds or pushing 2 buttons together, it will mark your finger. The design let the strap wraps your wrist comfortably.
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