The Titanium Field Guide

Grand Seiko Heritage "Taisetsu"

SBGA415

The Grand Seiko Heritage "Taisetsu" is a current-production dress watch with a Proprietary High-Intensity Titanium case. It measures 40.0 mm across, 12.5 mm thick, 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 $6,300 (MSRP ~). Brand origin: Japan.

Titanium dress watchesDisplay back
ReferenceSBGA415
TypeDress
Price$6,300 · MSRP ~
Case diameter40.0 mm
Thickness12.5 mm
Lug-to-lug
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
DialWinter grey
LumeLimited
AvailabilityOffered
StatusCurrent
High confidence Verified 2026-06-18 Source: Monochrome Maker / listing ↗
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