Home / GS Sport Collection / Grand Seiko Sport Collection "Rock Face" Spring Drive — Ref. SBGA481
Studio product photograph of the 44.5mm Grand Seiko SBGA481 Sport watch, showcasing its angular high-intensity titanium case, black 60-minute bezel, heavily textured gray "Rock Face" dial, and matching titanium link bracelet.
Detailed close-up perspective view of the Grand Seiko SBGA481 watch face, highlighting the deeply incised, granite-like textured gray dial, the bold luminescent hour markers, the framed date window, and the fan-shaped power reserve indicator.
Silver Grand Seiko watch on a white fur background
Rear view of the Grand Seiko SBGA481 watch showing the sapphire crystal exhibition case back, revealing the uniquely smooth, continuous automatic rotor and beautifully striped bridges of the hybrid Spring Drive Caliber 9R65 movement.
Watch mechanism with Grand Seiko branding on a white background
Studio product photograph of the 44.5mm Grand Seiko SBGA481 Sport watch, showcasing its angular high-intensity titanium case, black 60-minute bezel, heavily textured gray "Rock Face" dial, and matching titanium link bracelet.
Detailed close-up perspective view of the Grand Seiko SBGA481 watch face, highlighting the deeply incised, granite-like textured gray dial, the bold luminescent hour markers, the framed date window, and the fan-shaped power reserve indicator.
Silver Grand Seiko watch on a white fur background
Rear view of the Grand Seiko SBGA481 watch showing the sapphire crystal exhibition case back, revealing the uniquely smooth, continuous automatic rotor and beautifully striped bridges of the hybrid Spring Drive Caliber 9R65 movement.
Watch mechanism with Grand Seiko branding on a white background

Grand Seiko Sport Collection "Rock Face" Spring Drive — Ref. SBGA481

$11,100.00 Sale OFF
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Rugged Power Meets the Asperity of Mount Iwate

The SBGA481 is a striking expression of grand athletic luxury, drawing its visual identity from the severe, wind-scoured granite rock faces of northern Japan's Mount Iwate. The dial breaks away from traditional smooth finishes, presenting a heavily textured, multi-layered gray pattern that beautifully captures the raw, crystalline surface of alpine stone. This dynamic backdrop is paired with massive, luminescent-filled hour indexes and broad, sweeping hands engineered for instantaneous legibility in dark environments. A matching silver-rimmed date display is balanced by a recessed power reserve indicator, resulting in a composition that combines sheer mechanical tool utility with high-end nature artistry.

Aggressive Geometry in High-Intensity Titanium

Crafted to command attention on the wrist, this watch features an ultra-modern, angular 44.5mm case sculpted from proprietary High-Intensity Titanium. This advanced material provides the aggressive presence of a heavy steel sports watch while remaining 30% lighter, highly scratch-resistant, and completely hypoallergenic. The case geometry features bold, flat lugs and sharp facets achieved through hand-applied Zaratsu mirror polishing, alternating seamlessly against fine brushed surfaces. Fitted with a unique black 60-minute sapphire bezel insert, a secure screw-down crown, and an integrated titanium bracelet, the watch ensures optimal distribution of its center of gravity for maximum comfort during intense activity.

Uncompromising Fluidity via Spring Drive Caliber 9R65

Beating within the rugged shell of the SBGA481 is Grand Seiko’s legendary in-house Spring Drive Caliber 9R65. This revolutionary hybrid movement blends the high torque of a traditional mainspring with the unmatched precision of an electronic quartz regulator, delivering an elite accuracy rate of ±1 second per day (±15 seconds per month). Lacking a mechanical escapement, the silver seconds hand glides in a perfectly continuous, sweeping motion across the granite-patterned dial, completely unhindered by any ticking hesitation. Turning the watch over reveals a see-through sapphire crystal case back, offering a window into the pristine finishing, Tokyo stripes, and precisely moving gears of this 72-hour power reserve machine.

We offer complimentary shipping on all orders, with each piece carefully packaged and fully insured for delivery. For full details on shipping methods and timelines, please visit our Shipping Policy.

Articles may be returned for a refund or exchange within 30 days of purchase, provided they are in salable condition and accompanied by a valid sales receipt. Please note that some exclusions may apply. For complete return guidelines, visit our Returns Policy.

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30-day returns
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From the

SPORT

Collection

Detailed close-up perspective view of the Grand Seiko SBGA481 watch face, highlighting the deeply incised, granite-like textured gray dial, the bold luminescent hour markers, the framed date window, and the fan-shaped power reserve indicator.

Rugged Power Meets the Asperity of Mount Iwate

The SBGA481 is a striking expression of grand athletic luxury, drawing its visual identity from the severe, wind-scoured granite rock faces of northern Japan's Mount Iwate. The dial breaks away from traditional smooth finishes, presenting a heavily textured, multi-layered gray pattern that beautifully captures the raw, crystalline surface of alpine stone. This dynamic backdrop is paired with massive, luminescent-filled hour indexes and broad, sweeping hands engineered for instantaneous legibility in dark environments. A matching silver-rimmed date display is balanced by a recessed power reserve indicator, resulting in a composition that combines sheer mechanical tool utility with high-end nature artistry.

Aggressive Geometry in High-Intensity Titanium

Crafted to command attention on the wrist, this watch features an ultra-modern, angular 44.5mm case sculpted from proprietary High-Intensity Titanium. This advanced material provides the aggressive presence of a heavy steel sports watch while remaining 30% lighter, highly scratch-resistant, and completely hypoallergenic. The case geometry features bold, flat lugs and sharp facets achieved through hand-applied Zaratsu mirror polishing, alternating seamlessly against fine brushed surfaces. Fitted with a unique black 60-minute sapphire bezel insert, a secure screw-down crown, and an integrated titanium bracelet, the watch ensures optimal distribution of its center of gravity for maximum comfort during intense activity.

Uncompromising Fluidity via Spring Drive Caliber 9R65

Beating within the rugged shell of the SBGA481 is Grand Seiko’s legendary in-house Spring Drive Caliber 9R65. This revolutionary hybrid movement blends the high torque of a traditional mainspring with the unmatched precision of an electronic quartz regulator, delivering an elite accuracy rate of ±1 second per day (±15 seconds per month). Lacking a mechanical escapement, the silver seconds hand glides in a perfectly continuous, sweeping motion across the granite-patterned dial, completely unhindered by any ticking hesitation. Turning the watch over reveals a see-through sapphire crystal case back, offering a window into the pristine finishing, Tokyo stripes, and precisely moving gears of this 72-hour power reserve machine.

Movement

  • Caliber: 9R65
  • Power Source: Automatic
  • Jewels: 30
  • Accuracy: ±1 second per day / ±15 seconds per month (average)
  • Duration: 72 Hours

Case

  • Case Material: High-Intensity Titanium
  • Case Diameter: 44.5mm
  • Case Thickness: 14.3mm
  • Case Length: 50mm
  • Lug Width: 23mm
  • Crown: Screw Down
  • Strap/Bracelet: High-Intensity Titanium w. three-fold clasp
  • Crystal: Dual Curve Sapphire
  • Caseback: High-Intensity Titanium with Sapphire Crystal

Functions

  • Features: Time, Date, Power Reserve Indicator
  • Water Resistance: 200m
  • Magnetic Resistance: 4,800 A/m
Detailed close-up perspective view of the Grand Seiko SBGA481 watch face, highlighting the deeply incised, granite-like textured gray dial, the bold luminescent hour markers, the framed date window, and the fan-shaped power reserve indicator.

Rugged Power Meets the Asperity of Mount Iwate

The SBGA481 is a striking expression of grand athletic luxury, drawing its visual identity from the severe, wind-scoured granite rock faces of northern Japan's Mount Iwate. The dial breaks away from traditional smooth finishes, presenting a heavily textured, multi-layered gray pattern that beautifully captures the raw, crystalline surface of alpine stone. This dynamic backdrop is paired with massive, luminescent-filled hour indexes and broad, sweeping hands engineered for instantaneous legibility in dark environments. A matching silver-rimmed date display is balanced by a recessed power reserve indicator, resulting in a composition that combines sheer mechanical tool utility with high-end nature artistry.

Aggressive Geometry in High-Intensity Titanium

Crafted to command attention on the wrist, this watch features an ultra-modern, angular 44.5mm case sculpted from proprietary High-Intensity Titanium. This advanced material provides the aggressive presence of a heavy steel sports watch while remaining 30% lighter, highly scratch-resistant, and completely hypoallergenic. The case geometry features bold, flat lugs and sharp facets achieved through hand-applied Zaratsu mirror polishing, alternating seamlessly against fine brushed surfaces. Fitted with a unique black 60-minute sapphire bezel insert, a secure screw-down crown, and an integrated titanium bracelet, the watch ensures optimal distribution of its center of gravity for maximum comfort during intense activity.

Uncompromising Fluidity via Spring Drive Caliber 9R65

Beating within the rugged shell of the SBGA481 is Grand Seiko’s legendary in-house Spring Drive Caliber 9R65. This revolutionary hybrid movement blends the high torque of a traditional mainspring with the unmatched precision of an electronic quartz regulator, delivering an elite accuracy rate of ±1 second per day (±15 seconds per month). Lacking a mechanical escapement, the silver seconds hand glides in a perfectly continuous, sweeping motion across the granite-patterned dial, completely unhindered by any ticking hesitation. Turning the watch over reveals a see-through sapphire crystal case back, offering a window into the pristine finishing, Tokyo stripes, and precisely moving gears of this 72-hour power reserve machine.

Movement

  • Caliber: 9R65
  • Power Source: Automatic
  • Jewels: 30
  • Accuracy: ±1 second per day / ±15 seconds per month (average)
  • Duration: 72 Hours

Case

  • Case Material: High-Intensity Titanium
  • Case Diameter: 44.5mm
  • Case Thickness: 14.3mm
  • Case Length: 50mm
  • Lug Width: 23mm
  • Crown: Screw Down
  • Strap/Bracelet: High-Intensity Titanium w. three-fold clasp
  • Crystal: Dual Curve Sapphire
  • Caseback: High-Intensity Titanium with Sapphire Crystal

Functions

  • Features: Time, Date, Power Reserve Indicator
  • Water Resistance: 200m
  • Magnetic Resistance: 4,800 A/m

Why Choose Skeie's

Authorized Dealer
Official Grand Seiko authorized dealer with full manufacturer warranty and authenticity guarantee
Expert Service
Over 100 years of horological expertise with certified watchmakers and personalized customer care
Fast & Secure Shipping
Insured delivery with tracking, carefully packaged to arrive in perfect condition

Every new Grand Seiko purchased at Skeie's is backed by their 5-year warranty

5
YEAR
WARRANTY
Click here to view Grand Seiko's warranty policy

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Frequently Asked Questions

We take all jewelry and watches in for review and estimation before beginning any work; the review is complimentary and we will always approve estimates with you before we begin any work.

We cannot give price estimates over the phone or online, as every piece can var

We have a team of expert goldsmiths and jewelers on site, and can work on a large range of repair needs.

Common repairs include ring sizing, polishing, rhodium plating, adjusting chain length, replacing clasps, re-stringing services, and more.

There is no appointment necessary to drop off your items for review and estimates.

Since we're located in Eugene, Oregon, we do NOT charge sales tax. The prices you see are the prices you pay!

We offer free shipping on all orders. Our standard shipping is 2-7 days; all items are fully insured and require a signature upon delivery.

Articles are accepted for credit or exchange in the U.S. if returned in salable condition within 30 days, accompanied by a sales receipt. Some exclusions may apply.