Reference Number
SLGA025G
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 breathtaking 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 Caliber 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.
TECHNICAL SPECIFICATIONS
Exterior
Exterior: High-intensity titanium
Case back: See-through & Screw case back
Glass Material: Dual-curved sapphire crystal
Glass Coating: Anti-reflective coating on inner surface
Case size: Diameter 40.0mm Lug-to-lug 47.9mm Thickness 11.8mm
Band width: 22mm
Clasp type: Three-fold clasp with push button release
The perimeter of Band: 195mm
Movement
Caliber no.: 9RA2 Instructions
Movement Type: Spring Drive
Power reserve: Approx. 120 hours (5 days)
Accuracy: ±10 seconds per month (±0.5 second per day)
Functions
Water resistance: 10 bar
Magnetic resistance: 4,800 A/m
Weight: 112 g
Other details / Features:
Screw-down crown
Allergy-safe metal
Power reserve indicator
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