Amazon.com Product Description:
The Casio Men's Solar Atomic Metal Watch #WVM120DJ-7 combines the classic styling of a dive watch with a sporty, full-featured digital interface. Versatile and reliable, this timepiece never needs resetting or batteries thanks to Casio's Solar Power and Atomic Timekeeping technology. With its classic dive style design (which includes features like a rugged stainless steel band with a fold-over-clasp), this handsome timepiece is ready for a day at the office or inspection by the ship's divemaster. The watch's reliable quartz movement is solar powered--which accurately keeps time up to eight months without further exposure to light. And if you're in the US, UK, Germany, or Japan, the watch receives time calibration radio signals (up to six times per day), so you always know your watch is set to the right time. Other technical features include three daily alarms, an LED light with Afterglow technology, a world clock with 29 time zones, four daily alarms , a 1/100 second stopwatch that records split time, a calendar (pre-programmed until the year 2099), 12- and 24-hour formats, and water resistance to 330 feet (100 meters).

Amazon.com Product Description:
The perfect training partner for your active sporting lifestyle, this Casio G-Shock men's digital sport watch (model GW700A-1V) offers a black resin case that's accented by a silver top ring and light digital gray display as well as a black resin strap. It's also solar-powered and wirelessly receives atomic time updates. It offers a 1/100-second stopwatch with a 60-minute measuring capacity and a time recorder with up to 30 records, It also features four independent daily alarms (with one snooze alarm), world time from 30 cities, and an autocalendar (to the year 2039). And because it's solar-powered--charging in either sunlight or indoor light--you'll never have to deal with changing the battery. Other features include a scratch-resistant mineral crystal, AfterGlow LED electro-luminescent backlight, and water resistance to 200 meters (660 feet)--suitable for recreational scuba diving.

This radio-controlled watch receives a time calibration signal transmitted from Fort Collins, Colorado, and signal reception is possible within a radius of about 2,000 miles from the Fort Collins transmitter. You can choose to automatically receive this signal four times a day, or manually update the watch to the atomic clock.

Amazon.com Product Description:
You'll always remain in fashion with the analog-powered Casio Men's Classic Analog Watch #MQ24-7ELL. Features include a classic white dial, which is embellished with contrasting hour and minute indexes, and comes protected by a durable plastic dial window. Both the 37.5-millimeter case and stationary bezel are made of high-quality resin. A black resin band, textured for stylish effect, comes equipped with a buckle-clasp closure to ensure secure wear. Blending innovation and charm, this striking watch is made to endure.

Amazon.com Product Description:
Sporting a tried-and-true look, the Casio Men's Alarm Chronograph Digital Watch #96H-1AV features a digital-gray dial, which comes protected by a durable mineral dial window. A day-date-and-month calendar embellishes the face, and the stand-out digital time display provides at-a-glance readability. Both the stationary bezel and 36-millimeter case are made of high-quality stainless steel. The watch includes a sleek black resin band, which is textured for a characteristic effect and comes equipped with a sturdy buckle clasp. Blending easy functionality with a classic style, this handsome timepiece is soon to become your favorite accessory. Powered by quartz movement, this watch is water resistant to 165 feet.

Amazon.com Product Description:
A stylish, sporty timepiece, this Casio casual men's watch keeps you in touch with Mother Nature thanks to integrated moon phase data and tide graphs. The aluminum watch case measures 40mm wide (1.57 inches), and it's complemented by a tapered black resin sport strap. It includes a stopwatch that can time events down to 1/100 of a second, and features a 100-hour capacity, split time, and 1st-2nd place times, as well as a countdown timer with a 60-minute capacity. Other timekeeping features include four daily alarms (with one snooze alarm), dual time, hourly time signal (which can be turned off), and 12/24-hour formats. This watch also offers a ±30-second accuracy per month, Afterglow backlighting, Auto Calendar (pre-programmed until the year 2039), and water resistance to 100 meters (330 feet)--offering protection from accidental splashes as well suitable for swimming, snorkeling, and light recreational diving. It has a battery life of up to 10 years.