Seiko H558, H556 manual Set analog time, Set digital time

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SETTING INSTRUCTIONS FOR SEIKO H556 & H558 MOVEMENT

(by Roland Kamp, September 2003)

Notes on different time zones. This watch has three different time zones:

Analog time.

Digital time.

Second digital time, also called local-time, displayed with "-L" in the right corner of the display.

These three time (zones) work independently, the alarm and hourly chime always refer to the digital time.

Set analog time.

Pull crown to position 3, the secondhand stops.

Set the hands to the correct time by turning the crown in direction X.

Push the crown back to position (1) to start the analog part of the watch again.

Set digital time.

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Contents Set digital time Set analog timeSet day and date Set alarm timeSet local digital time Changeover between 12-Hour and 24-Hour indicationAlarm test Switch alarm and hourly chime on/offStopwatch Light

H558, H556 specifications

Seiko H556 and H558 are notable timepieces from Seiko that showcase the brand's commitment to innovation, functionality, and design. Released in the 1980s, these watches were part of Seiko’s quest to merge advanced technology with everyday wearability. The H556 and H558 models are unique because they feature both analog and digital displays, making them highly versatile and user-friendly.

One of the main characteristics of the H556 and H558 is their hybrid dial, which integrates both traditional hour and minute hands alongside a digital display that provides a wealth of information. The analog hands are powered by a quartz movement, thus offering exceptional accuracy, while the digital screen is driven by a microprocessor. This innovative combination allows wearers to check the time instantly while also accessing additional functions such as alarms, countdown timers, and calendars.

Both models are water-resistant, making them suitable for a wide range of activities, from swimming to everyday wear. The H558, in particular, is well-regarded for its robust build quality and is often associated with diving and outdoor activities. This durability can be attributed to the sturdy case construction and the use of high-grade materials, ensuring that the watches can withstand rigorous usage.

The designs of the H556 and H558 are also noteworthy. They feature a bold, sporty aesthetic that appeals to those looking for a watch that conveys both functionality and style. The digital readouts are easy to read, even in low-light conditions, thanks to the incorporation of a backlight feature. This ensures clear visibility, which is crucial for outdoor enthusiasts and individuals with an active lifestyle.

Furthermore, the H558 model is particularly significant in the Seiko legacy, as it was one of the first watches to introduce a countdown timer, a feature that was revolutionary at the time. This functionality has since become prevalent in many digital watches.

Overall, the Seiko H556 and H558 timepieces represent a fascinating chapter in the brand's history, merging innovative technology with practical designs that continue to attract watch enthusiasts today. Their blend of analog and digital functions, coupled with robust features, cement their status as classic examples of Seiko's forward-thinking approach.