Skip to content
Grand Seiko Masterpiece

Grand Seiko Masterpiece

Spring DrivePlatinum

Ref. SBGZ003

Collection: MasterpieceCase size: 38.5mmMovement: 9R02

The Grand Seiko Masterpiece, reference SBGZ003, is a Spring Drive watch with a platinum case measuring 38.5 mm in diameter. Approximately 84 hours of power reserve is provided by Spring Drive calibre 9R02. The case is 9.8 mm thick, with 43.7 mm between the lug tips. The dial is covered by a dual-curved sapphire crystal with an inner anti-reflective coating. The case has polished, curved contours around the dial. The crocodile leather strap has a folding clasp in platinum with push button release. This model has a power reserve indicator and a see-through case back.

Add to my inventory

Free account required - pre-fills all specs automatically

Last updated 9 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

CASE

Diameter

38.5mm

Thickness

9.8mm

Lug to Lug

43.7mm

Lug Width

19mm

Case Material

Platinum

Crystal

Sapphire Crystal

MOVEMENT

Movement Type

Spring Drive

Caliber

9R02

Power Reserve

84h

BRACELET/STRAP

Bracelet/Strap

Crocodile Skin

Clasp Type

Fold Clasp

Clasp Material

Platinum

FEATURES & COMPLICATIONS

Display backPower Reserve Display

More from Grand Seiko

Show all →

Other watches with the 9R02 calibre

Show all →

FOR WATCH DEALERS

Trading the Grand Seiko Masterpiece?

Clone any catalog watch into your stock, sync it to Chrono24 and eBay, and invoice it with your own tax settings.