Heritage 9F Quartz 'Snowflake' 37mm

Ref. SBGX355 · “Snowflake”

Case diameter: 37 mm; Manufacturer spec
Lug-to-lug: 44.6 mm; Manufacturer spec
Thickness: 10.6 mm; Manufacturer spec
Lug width: 19 mm; Manufacturer spec

Retail price $4,100 (US, Oct 2026)

Your wristIdeal fit

Wrist flat: 55.1 mmLug-to-lug: 44.6 mm

How the Heritage 9F Quartz 'Snowflake' 37mm wears

Its lugs add 7.6 mm to the 37 mm case, close to the 7 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 6.25" to 7.5" (15.9–19.1 cm); below 6.25" the lugs start to reach the edge of the wrist.

At 10.6 mm thick it is slimmer than 57% of the 75 other dress watches we've measured, so it slides under a cuff more easily than most.

Its 19 mm lug width is one of the most common strap sizes; 27 other watches here share it, so aftermarket straps are easy to find.

Will the Heritage 9F Quartz 'Snowflake' 37mm fit your wrist?

With a 44.6 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.

Wrist	Flat width (est.)	Fit
6"	47.2 mm	Snug, lugs near the edge
6.5"	51.2 mm	Ideal fit
7"	55.1 mm	Ideal fit
7.5"	59.1 mm	Ideal fit
8"	63 mm	Wears small

Specifications

Reference: SBGX355
Collection: Heritage
Status: In production
Case material: High-Intensity Titanium
Crystal: dual-curved sapphire (inner AR coating)
Water resistance: 100 m
Bezel: fixed polished bezel
Dial: white (Snowflake texture)
Strap / bracelet: bracelet, folding clasp with push button release
Weight: 80 g
Style: Dress, Everyday

Movement

Caliber: Grand Seiko 9F62
Type: quartz
Accuracy: +/-10 s/year

Takes 19 mm straps. See other 19 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 19 mm lug width

All 19 mm watches

These take the same straps as the Heritage 9F Quartz 'Snowflake' 37mm.