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Nagano Prefecture, where Spring Drive watches are manufactured, is home to a number of mountains rising over 3,000 meters. The countless rivers that flow from these mountains have, over many years, created a lush, natural environment. The Atera River carves out a deep ravine called the Atera Valley, known for its breath-taking beauty. Using the clear, emerald-green waters of the Atera River as a motif, the dial conjures the image of a stream so clear that one can see the bottom, as well as the rich, natural harmony of summertime. At the heart of this watch is the Spring Drive 5 Days Calibre 9RA2. This movement provides up to 120 hours (5 days) of power when fully wound, as well as an average accuracy of ±10 seconds per month, an astounding achievement for a watch powered by a mainspring.
Any purchase through our Grand SEIKO Online Store has a 5 Year limited guarantee
Case Material: | Titanium |
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Glass Material: | Sapphire |
Case size: |
Diameter: 40mm Thickness: 11.8 mm Length: 47.6mm |
Case Colour: | Silver |
Case Weight: | 176 |
Band/Bracelet: | Bracelet - Titanium |
Band Colour: | Silver |
Band Reference: | A0EV313T0 |
Dial Colour: | Aqua |
Hand Indicators: | Hour, Minute, Seconds |
Calendar Indicators: | Date |
Dial Markers: | Batons |
Crown: | Screw Down |
Calibre no.: | 9RA2 Instructions |
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Movement Type: | Spring Drive - Powered By The Movement of the Wearer |
Accuracy: | ±0.5 second per day (±10 seconds per month) |
Battery Life: | 120 Hours Power Reserve |
Battery: | N/A |
Display: | Analogue |
Water Resistance: | 100 Metres |
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Other details / Features: |
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