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. At 102 g it sits among the heavier dress watches in the guide, and is priced well above the $1,980 median for the category. Nothing touching the skin is nickel-bearing steel, verified across the case, caseback and bracelet.

Titanium dress watchesLightest, rankedPower reserveDisplay back
Price
$7,200
Titanium
Proprietary High-Intensity Titanium
Weight
102 g (with bracelet)
Water resistance
100 m
Nickel-free
Yes
Reference
SBGA413
Type
Dress
Case diameter
40.0 mm
Thickness
12.8 mm
Lug-to-lug
47 mm
Origin
Japan
Movement
Spring Drive (automatic)
Caliber
Caliber 9R65
Power reserve
72 h
Complications
Date, Power reserve
Case shape
Round
Case colour
Natural / grey
Finish technology
Natural finish
Surface treatment
None (alloy ~ harder than steel)
Caseback
Titanium
Bracelet / strap
High-Intensity Titanium
Crystal
Sapphire, AR coated
Display back
Yes
Dial
Cherry-blossom pink
Dial colours
Salmon
Lume
Limited
Availability
Offered
Status
Current
Not published
Titanium bracelet
High confidence Verified Jun 2026 Source: Monochrome Maker / listing ↗
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Frequently asked questions

Is the Grand Seiko Heritage "Shunbun" nickel-free?

Yes. Nothing nickel-bearing touches the skin: a Proprietary High-Intensity Titanium case with a titanium caseback, plus a non-steel crown and bracelet and clasp. The Titanium Field Guide marks it nickel-free for whole-watch skin contact. If your allergy is severe, confirm the contact points with the maker.

What grade of titanium is the Grand Seiko Heritage "Shunbun"?

The Grand Seiko Heritage "Shunbun" has a Proprietary High-Intensity Titanium case with a titanium caseback. This is confirmed against the maker spec.

What size is the Grand Seiko Heritage "Shunbun"?

It is 40.0 mm in diameter, 12.8 mm thick, 47 mm lug to lug, and water resistant to 100 m.

How much does the Grand Seiko Heritage "Shunbun" weigh?

About 102 g (w/ bracelet).

How much does the Grand Seiko Heritage "Shunbun" cost, and is it available?

It is current-production and lists from $7,200.

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