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Masterpiece · Manual-winding Spring Drive

Grand Seiko SBGZ011

Ref. SBGZ011 · In production

  • Case40 mm
  • Thick9.6 mm
  • Lug-to-lug45.2 mm
  • MovementSpring Drive
  • CrystalSapphire
New (US list price)$84,000Source: grand-seiko.com, checked 23 Oct 2026
Wrist fitChecking…

Uses the same sizing guide as Watch Finder. A guide, not a rule.

Overview

The Grand Seiko SBGZ011 is an everyday watch from the Masterpiece collection, part of the Manual-winding Spring Drive family. It has a 40 mm platinum case, 9.6 mm thick, 45.2 mm from lug to lug. Inside is a spring drive movement (calibre 9R02) with 84 h of power reserve. You also get a sapphire crystal and a bracelet.

Who it suits

  • Wrists of roughly 16.0–17.9 cm (6.3–7.0 in), by our Watch Finder sizing guide
  • Shirt cuffs and smarter dress codes

Strengths

  • Sapphire crystal resists scratches
  • 84 h power reserve survives a weekend off the wrist
  • Spring Drive: a smooth-gliding seconds hand and high accuracy
  • Rated accuracy: ±15 seconds per month (±1 second per day)
  • Slim at 9.6 mm
  • Compact 45.2 mm lug-to-lug suits smaller wrists
  • Display caseback shows the movement

Trade-offs

  • Limited edition: may be hard to find new

Written by Watch.co from the published specs below. These are not owner reviews.

Full specifications

Case

Case diameter40 mmgrand-seiko.com · 23 Oct 2026
Thickness9.6 mmgrand-seiko.com · 23 Oct 2026
Lug-to-lug45.2 mmgrand-seiko.com · 23 Oct 2026
Case materialPlatinumgrand-seiko.com · 23 Oct 2026
CrystalSapphiregrand-seiko.com · 23 Oct 2026
Anti-reflective coatingAnti-reflective coating on inner surfacegrand-seiko.com · 23 Oct 2026
CasebackDisplay (see-through)grand-seiko.com · 23 Oct 2026
Magnetic resistance4,800 A/mgrand-seiko.com · 23 Oct 2026
Weight118 ggrand-seiko.com · 23 Oct 2026

Dial

DateNo dateour classification
Power-reserve indicatorYesgrand-seiko.com · 23 Oct 2026

Movement

Movement typeSpring Drivegrand-seiko.com · 23 Oct 2026
Calibre9R02grand-seiko.com · 23 Oct 2026
Made in-houseYesgrand-seiko.com · 23 Oct 2026
Power reserve84 hgrand-seiko.com · 23 Oct 2026
Rated accuracy±15 seconds per month (±1 second per day)grand-seiko.com · 23 Oct 2026
Hand-windingYesgrand-seiko.com · 23 Oct 2026

Strap / Bracelet

Bracelet / strapBraceletgrand-seiko.com · 23 Oct 2026
Lug width19 mmgrand-seiko.com · 23 Oct 2026

Other

US list price (MSRP)$84,000grand-seiko.com · 23 Oct 2026
Production statusIn productiongrand-seiko.com · 23 Oct 2026
Limited editionYesgrand-seiko.com · 23 Oct 2026
Style (our classification)Everydayour classification

Specs are summarised in our own words from the brand's product page. Each row links its source and the date we checked it. Fields we haven't verified are left out rather than guessed.

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Questions about the Grand Seiko SBGZ011

How big is the Grand Seiko SBGZ011?

The case is 40 mm wide, 9.6 mm thick and 45.2 mm from lug to lug.

What movement does the Grand Seiko SBGZ011 use?

It uses the 9R02 calibre, a spring drive movement with 84 h of power reserve.

Does the Grand Seiko SBGZ011 have a date?

No, it has no date display.

How much is the Grand Seiko SBGZ011?

The US list price was $84,000 on grand-seiko.com when we checked on 23 Oct 2026. Prices change, so check before you buy.

Will the Grand Seiko SBGZ011 fit my wrist?

By our sizing guide it sits best on wrists of about 16.0–17.9 cm (6.3–7.0 in). Use the fit checker on this page to test your own wrist.

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