Grand Seiko has introduced two new Evolution 9 watches that beautifully capture Japan’s natural landscapes: the SLGW006 “Sunrise Tentagraph” chronograph and the SLGW007 “Moonlit Birch” manual-winding Hi-Beat. Both pieces highlight the brand’s artistry in combining traditional inspiration with advanced watchmaking.
The “Sunrise Tentagraph” is a limited edition of only 300 watches. Its copper-pink dial, inspired by the morning glow on Mount Iwate, is housed in a 43.2mm case made from polished Grade 5 titanium, 18k rose gold, and ceramic. The custom fluted bezel doubles as a minute track, while inside, the Caliber 9SC5 movement delivers 72 hours of power reserve.
On the other hand, the “Moonlit Birch” is a dress watch designed with quiet elegance. Its navy-textured dial reflects the look of birch tree bark under moonlight, inspired by the forests of Hiraniwa Plateau. Set in a slim 38.6mm stainless steel case, it runs on the Caliber 9SA4 manual-winding movement, beating at 36,000 vibrations per hour. This high-beat mechanism ensures accuracy and offers an impressive 80-hour power reserve. A navy calf-leather strap completes the refined look.
Both watches will be available in October 2025, with the “Sunrise Tentagraph” priced at $22,600 USD/£19,650 GBP and the “Moonlit Birch” at $10,000 USD/£8,600 GBP, available through Grand Seiko Salons.
Detail Info
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Models:
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SLGW006 “Sunrise Tentagraph” (chronograph, limited to 300 pieces)
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SLGW007 “Moonlit Birch” (manual-winding Hi-Beat dress watch)
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SLGW006 “Sunrise Tentagraph”:
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Dial: Copper-pink, radial pattern (inspired by Mount Iwate at dawn)
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Case: 43.2mm, Grade 5 titanium + 18k rose gold + ceramic
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Bezel: Fluted, functional as minute track
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Movement: Caliber 9SC5 (automatic)
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Power Reserve: 72 hours
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Price: $22,600 USD / £19,650 GBP
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Availability: October 2025, Grand Seiko Salons
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SLGW007 “Moonlit Birch”:
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Dial: Navy PVD, textured (inspired by birch trees in moonlight)
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Case: 38.6mm stainless steel, 9.95mm thickness
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Strap: Navy calf-leather
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Movement: Caliber 9SA4 (manual-winding, 36,000 vph)
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Power Reserve: 80 hours
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Price: $10,000 USD / £8,600 GBP
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Availability: October 2025, Grand Seiko Salons
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