Grand Seiko Sport Collection Spring Drive GMT Chronograph
SBGC205
The Grand Seiko SBGC205 Spring Drive Chronograph embodies refined strength and precision. Its deep black dial, accented with gold hands and indices, creates a mature gloss that reflects Grand Seiko’s dedication to timeless elegance.
Crafted from high‑intensity titanium, the case and bracelet deliver a finish that is both scratch‑resistant and corrosion‑resistant. At just 137 grams, this chronograph is 30% lighter than stainless steel, offering exceptional comfort for daily wear while maintaining durability for professional use.
At its core lies the Spring Drive 9R86 caliber, a movement unique to Grand Seiko. By combining the motive force of a mechanical mainspring with the precision of quartz regulation, it achieves ±1 second per day accuracy while powering a fully functional chronograph.
The chronograph’s glide motion seconds hand exemplifies Grand Seiko’s hallmark smoothness, while the Ready/Start button with half‑press shutter ensures precise timing. Designed for tactile satisfaction, the pushers deliver a crisp click with balanced resistance, enhancing usability for collectors and professionals alike.
This SBGC205 is more than a chronograph — it is a statement of Japanese craftsmanship, merging technical innovation with aesthetic maturity.
SBGC205 Specifications:
Movement
Calibre: 9R86
Type: Spring Drive
Power Reserve: Approx. 72 hours (3 days)
Accuracy: ±1 second per day / ±15 seconds per month (average)
Jewel: 50
Exterior
Case Material: High-intensity titanium
Glass Material: Dual-curved sapphire crystal
Glass Coating: Anti-reflective coating on inner surface
Case Size: Diameter 43.5mm, Thickness 16.1mm
Bracelet: Stainless steel bracelet
Clasp Type: Three-fold clasp with push-button release
Other Details
Water Resistance 10 Bar
Magnetic resistance
Allergy-safe metal
24-hour hand (dual time display function)
Calendar-linked time difference adjustment function
Chronograph with 30 minutes & 12 hours
Calendar-linked time difference adjustment function
Date display
Power reserve display
Screw case back
Screw-down crown
See-through case back
* Kindly note that the displayed image is either a graphic representation or a prototype and may not precisely reflect the final product. Color variations may occur due to differences in browsers, display settings, or devices used for viewing. Additionally, the orientation of the case back in the actual product may differ from what is shown in the photograph.