Grand Seiko Evolution 9 Spring Drive UFA Ice Natrual enviroment "Violet Dawn" SLGB005
Ice forest-inspired dial captures the employment of of a frosty purple start.
At the 2025 Geneva Watches & Wonders Exhibition, Grand Seiko unveiled the new Spring and coil Drive UFA caliber, giving an impressive annual accuracy connected with ±20 seconds, marking the newest advancement in its decades-long search for high precision in watchmaking. Today, this movement is included into a new limited edition watch crafted from Ever Amazing Steel, a stainless steel alloy famous for its exceptional corrosion level of resistance and vibrant color. The newest SLGB005 Ice Forest "Violet Dawn" embodies Grand Seiko's commitment to watchmaking that will balances performance with usefulness for everyday wear. Still the most striking feature on this new watch is undoubtedly it is precision.
Ever since the Competence 3180, which powered the 1st Grand Seiko swiss watches replica, the pursuit of superior has been the cornerstone of Awesome Seiko watchmaking. Released in 60, this caliber was the 1st in Japan to meet the actual then-recognized Swiss chronometer specifications. Since then, Grand Seiko provides prioritized precision. In 1966, it established the Grand Seiko Standard, employing a tests regimen even more stringent compared to the Swiss chronometer standard. Inside 1969, it created the VFA (Very Fine Adjusted) method, achieving an accuracy of 1 minute per month. In 2004, that launched the 9R Springtime Drive, achieving an reliability of ±15 seconds monthly, the culmination of practically three decades of development. Eventually, in 2020, Grand Seiko introduced the Spring Drive 9RA series, boasting a standard accuracy of ±10 mere seconds per month and a five-day reserve of power.
According to Grand Seiko analysis, as of April 2025, the particular UFA Caliber 9RB2 will be the world's most accurate spring-driven movement. This movement features an annual accuracy of ±20 seconds, an offset wonder lever for efficient programmed winding, and a power reserve associated with 72 hours. Its thoughtful craftsmanship balances practicality together with exceptional performance. Furthermore, as a result of its compact dimensions (30 mm in diameter in addition to 5. 02 mm thick), Caliber 9RB2 enables Grand Seiko to create its most compact Spring Drive watch, from 37 mm in dimension, making it ideal for smaller hands.
A number of features and enhancements contribute to the precision, efficiency, as well as aesthetics of the 9RB2 movements. Its annual accuracy regarding ±20 seconds is attained through advanced manufacturing and also processing methods for the quartz oscillator, which undergoes 3 months of aging, and remodeled integrated circuits. As with the prior 9RA caliber family, typically the frequency of each oscillator is usually measured at multiple temperature ranges, and the data required for heat compensation is programmed to the low-power integrated circuits. Typically the oscillator and sensor are usually vacuum-sealed to minimize temperature distinctions and protect against external has a bearing on such as humidity, static electrical energy, and light. It is also the first Early spring Drive movement to include a regulating switch, a feature that may be activated during after-sales in order to correct any minor deviations in precision that may build over time.
Throughout the sapphire crystal caseback, the UFA caliber's decoration pays homage for the frost-covered trees of Shinshu, its gemstones echoing the celebrities twinkling in the sky on a very clear winter night.
Like the high-strength titanium and 950 platinum models unveiled at the "Watches & Wonders" exhibition, the newest SLGB005 watch features a great embossed dial inspired from the forests surrounding the Shinshu watchmaking workshop, where the UFA caliber and other Spring Drive movements are manufactured. To the eastern side of the workshop lies often the Kirimine Plateau, where frost-covered trees can be seen during the tough winter months. The SLGB005's call captures a moment in the morning hours, as the first light of sunlight filter lower these frost-covered trees, developing a purple dawn scene.
Often the Ever-Brilliant steel used for the truth and bracelet has a Pitting Resistance Equivalent Number (PREN) of over 40, that means this exceptional material is definitely classified as "super stainless. " Compared to other metal steels, Ever-Brilliant steel includes a brighter, more radiant physical appearance, which enhances the effect of Grand Seiko's signature Zaratsu gloss.