Evolution 9

Specifications

About this reference

With its textured pattern, the black dial expresses the surface of Lake Suwa by night. This tranquil body of water can be found near the place where Spring Drive watches are crafted at the Shinshu Watch Studio, housed in a Seiko Epson facility in the city of Shiojiri. The watch is equipped with the Spring Drive U.F.A. Caliber 9RB2, which delivers an extraordinary annual accuracy of ±20 seconds. It also features a power reserve of approximately 72 hours (about three days) when fully wound. The case and bracelet are made of High-Intensity Titanium, which shines brighter than conventional titanium while offering exceptional scratch and corrosion resistance. Exterior: Exterior: High-Intensity Titanium; Case back: See-through & Screw case back; Glass Material: Box shaped sapphire crystal; Glass Coating: Anti-reflective coating on inner surface; Case size: Diameter 40.0mm Lug-to-lug 47.2mm Thickness 11.7mm; Band width: 22mm; Clasp type: Micro-adjustment clasp; The perimeter of Band: 197mm. Movement: Caliber no.: 9RB2 Instructions; Movement Type: Spring Drive; Power reserve: Approx. 72 hours(3 days); Accuracy: ±20 seconds per year (±3 seconds per month). Functions: Water resistance: 10 bar; Magnetic resistance: 4,800 A/m; Weight: 110 g; Other details / Features: Screw-down crown Allergy-safe metal 34 jewels Power reserve indicator.