Watch Almanac
Grand Seiko

Heritage 62GS Spring Drive

Ref. SBGA413

Case diameter
40 mm
Manufacturer spec
Lug-to-lug
47 mm
Manufacturer spec
Thickness
12.8 mm
Manufacturer spec
Lug width
21 mm
Manufacturer spec

Retail price $7,200 (US, Oct 2026)

Ideal fit
Wrist flat: 55.1 mmLug-to-lug: 47 mm

How the Heritage 62GS Spring Drive wears

Its lugs add 7 mm to the 40 mm case, close to the 7.1 mm typical across the almanac, so its diameter is a fair guide to how it wears.

On our fit model it sits best on wrists from 6.5" to 7.75" (16.5–19.7 cm); below 6.5" the lugs start to reach the edge of the wrist.

At 12.8 mm thick it is thicker than 86% of the 56 other dress watches we've measured, so expect it to sit tall on the wrist.

Its 21 mm lug width is one of the most common strap sizes; 28 other watches here share it, so aftermarket straps are easy to find.

Will the Heritage 62GS Spring Drive fit your wrist?

With a 47 mm lug-to-lug, here is how it wears across common wrist sizes. We estimate the flat top of each wrist from its circumference; measure yours for a closer answer in the fit finder.

WristFlat width (est.)Fit
6"47.2 mmLugs overhang
6.5"51.2 mmIdeal fit
7"55.1 mmIdeal fit
7.5"59.1 mmIdeal fit
8"63 mmWears small

Specifications

Reference
SBGA413
Collection
Heritage
Status
In production
Case material
High-Intensity Titanium
Crystal
box-shaped sapphire
Water resistance
100 m
Bezel
bezel-less 62GS case
Dial
pink (Hana-ikada pattern)
Strap / bracelet
High-Intensity Titanium bracelet, folding clasp
Weight
102 g
Style
Dress, Everyday

Movement

Caliber
Grand Seiko 9R65
Type
spring drive
Power reserve
72 hours
Jewels
30
Accuracy
+/-15 s/month (+/-1 s/day)

2 other watches use the Grand Seiko 9R65

Takes 21 mm straps. See other 21 mm watches and straps.

More Heritage references

Watches that wear the same size

Other watches within 1.5 mm of its lug-to-lug.

Same 21 mm lug width

All 21 mm watches

These take the same straps as the Heritage 62GS Spring Drive.

Sources