Exact reference

Grand Seiko SBGA415

SBGA415 2019–present or unrecorded end

Case

Dimensions and fit

direct

Case length40 mm

Case width / diameter40 mm

Case thickness12.8 mm

Lug-to-lug47 mm

Lug widthNot recorded

Water resistanceNot recorded

The dimension basis is not currently recorded.

Open dimension source ↗

Movement

Calibre and mechanism

Spring Drive

Calibre9R65

Normalized calibre9R65

GenerationSpring Drive Automatic

Power reserveNot recorded

Open movement source ↗

Technical data

Conventional winding

Non-automatic; winder not applicable

ApplicabilityRequired

DirectionBoth

TPD minimumNot recorded

TPD target650

TPD maximumNot recorded

Conventional winding fields are evidence-linked reference data. They are separate from any device-specific axial-control profile.

Open winding source ↗

Market context

Market-value disposition

2026-07

USD 5012

Market observations are separate from manufacturer specifications and are not used to fill technical gaps.

Open market source ↗

Provenance

Evidence and review

2026-08-19

Official U.S. current catalog observed as 139 items on 2026-08-18. Plus9Time GSdb confirms 9R65, Spring Drive Automatic, and 2019 release. Grand Seiko documents the 9R Magic Lever as winding regardless of oscillating-weight direction; the Grand Seiko winding table specifies Both at 650 TPD.

Model sourcehttps://www.grand-seiko.com/us-en/collections/sbga415g
Movement sourcehttps://www.plus9time.com/gsdb#home/grand-seiko-database-details/5f389e7b9c1b7c09bb05eb99?ref=view_3_page%3D6
Winding sourcehttps://watch-winder.store/watch-winding-table/seiko/
Dimension sourcehttps://fiduchron.com/watches/grand-seiko/spring-drive-self-winding-high-intensity-titanium-sbga415
Market-value sourcehttps://watchcharts.com/watches/brand/grand%20seiko/heritage

Record audit details

Canonical ID: CAN-14507A5B1869A722
Registry ID: GS-SBGA415
Source rank: Manufacturer movement evidence + specialist winding table
Verification: movement_and_winding_checked
Source rows: 1