Amazon.com Product Description
Stylish and technologically advanced, the kinetic Seiko Sportura SNL021 stainless steel men's chronograph watch brings a sense of classic style to a timepiece that's ready for the 21st century new world man. It contains its own internal electrical generator--operated by natural wrist movements--making it independent of conventional storage batteries. The step-motion second hand will move in 2-second intervals when energy is reaching a level of less than 3 hours.
The rounded rectangular watch case measures approximately 1.65 inches wide and 1.75 inches tall. It features a gunmetal gray TICN (titanium/carbon/nitride) bezel with tachymeter readings. The stopwatch subdial measures up to 45 minutes in 1/5 second increments. It has a black perforated band (that fits up to an 8-inch wrist) with orange accents, which also appear on the side of the buttons. Other features include water resistance to 100 meters (330 feet), anti-glare sapphire crystal, and a screwdown See-Thru caseback.
Kinetic: A powerhouse in technological innovation
Like mechanical and quartz, Kinetic is a platform. Over the past 20 years, SEIKO has created on this platform a suite of Kinetic movements, each bringing unique features to the consumer.
It was at the 1986 Basel Fair that SEIKO unveiled its first Kinetic prototype. Introduced under the trial name of 'AGM', it was the first watch in the world to convert kinetic movement into electrical energy. It was the first step in a development that, 20 years later, has made Kinetic synonymous with environmental friendliness, high performance and long-lasting convenience to a generation of users worldwide. From the launch in 1988 of the first commercially available watch (then under the new name AGS) until today, over eight million Kinetic watches have been sold (as of 2007).
In 1998, Kinetic Auto Relay was released, extending the 'at-rest' operating period of the watch to a remarkable 4 years. 1999 saw the launch of the Ultimate Kinetic Chronograph, a masterpiece which fused the very best of SEIKO's mechanical and electronic watch making skills, and in 2003 another Kinetic Chronograph was launched. At Baselworld 2005, the Kinetic Perpetual made its first appearance, combining Kinetic convenience and longevity with a perpetual calendar, correct to the year 2100. In 2007, SEIKO's emotional technology Kinetic Direct Drive is introduced.
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Product Description
Case: Stainless steel case, Attachment: Black Leather Racing Style Strap Rated: 100m/330ft Water Resistant Crystal: Anti-Reflection Sapphire Crystal Movement: Japanese Quartz MovementJapanese Quartz Movement