Table of Contents
Models
SLGB003G - Spring Drive U.F.A.
9,500 EUR
Most accurate movement: 20s per year accuracy!

SLGB003G | Grand Seiko
The Spring Drive U.F.A. watch from Grand Seiko is a high-precision timepiece focused on exceptional accuracy.
Key features include:
- Movement: The Spring Drive U.F.A. caliber 9RB2 movement achieves an astounding annual rate of ±20 seconds, making it incredibly accurate over a year. It utilizes a new, vacuum-sealed quartz oscillator and a regulation switch for after-sales adjustments.
- Design: The dial is inspired by ice forests, featuring a silver-tinged blue hue and a pressed pattern. The movement is visible through a sapphire crystal case back.
- Specifications: The watch has a titanium case, a diameter of 37mm, a lug-to-lug measurement of 44.3mm, a thickness of 11.4mm, and a band width of 20mm. It boasts 10 bar water resistance and magnetic resistance of 4,800 A/m.
- Features: It includes a three-step micro-adjustment clasp, a power reserve indicator, and is allergy-safe.