The Titanium Field Guide

Grand Seiko Heritage "Shunbun"

SBGA413

The Grand Seiko Heritage "Shunbun" is a current-production dress watch with a Proprietary High-Intensity Titanium case. It measures 40.0 mm across, 12.8 mm thick, 47 mm lug to lug, and is water resistant to 100 m. Inside is the Caliber 9R65 spring drive (automatic) movement, with 72 h power reserve. Complications: Date, Power reserve. Priced from $7,200 (MSRP). Brand origin: Japan.

Titanium dress watchesDisplay back
ReferenceSBGA413
TypeDress
Price$7,200 · MSRP
Case diameter40.0 mm
Thickness12.8 mm
Lug-to-lug47 mm
Water resistance100 m
Weight
OriginJapan
MovementSpring Drive (automatic)
CaliberCaliber 9R65
Power reserve72 h
ComplicationsDate, Power reserve
TitaniumProprietary High-Intensity Titanium
Surface treatmentNone (alloy ~ harder than steel)
Nickel-freeYes
Bracelet / strapHigh-Intensity Titanium
CrystalSapphire, AR coated
Display backYes
DialCherry-blossom pink
LumeLimited
AvailabilityOffered
StatusCurrent
High confidence Verified 2026-06-18 Source: Monochrome Maker / listing ↗
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