Which is cheaper, the Grand Seiko SBGX355 or the Seiko Essentials Roman Numeral (Ladies)?

At MSRP the Seiko Essentials Roman Numeral (Ladies) is the cheaper of the two at $350, against $4,100 for the Grand Seiko SBGX355 — a $3,750 gap before any retailer discounting.

Which is bigger, the Grand Seiko SBGX355 or the Seiko Essentials Roman Numeral (Ladies)?

The Grand Seiko SBGX355 wears larger at 37mm versus 29.6mm for the Seiko Essentials Roman Numeral (Ladies) — a 7.4mm difference across the dial.

Which has better water resistance, the Grand Seiko SBGX355 or the Seiko Essentials Roman Numeral (Ladies)?

The Grand Seiko SBGX355 is rated to 100m versus 5m for the Seiko Essentials Roman Numeral (Ladies).

What movement does the Grand Seiko SBGX355 run compared to the Seiko Essentials Roman Numeral (Ladies)?

Both watches run quartz movements — the Grand Seiko SBGX355 uses the 9F62 and the Seiko Essentials Roman Numeral (Ladies) uses the 6N01.

Side by side

Grand Seiko SBGX355vsSeiko Essentials Roman Numeral (Ladies)

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Grand Seiko SBGX355

sbgx355g

MSRP $4,100

Seiko Essentials Roman Numeral (Ladies)

sur609

MSRP $350

At a glance

9 of 29 specs differ

Diameter

SBGX35537mm

Essentials Roman Numeral (Ladies)29.6mm

Power Reserve

SBGX35540h

Essentials Roman Numeral (Ladies)40h

Water Resistance

SBGX355100m

Essentials Roman Numeral (Ladies)50m

MSRP

SBGX355$4,100

Essentials Roman Numeral (Ladies)$350

Full specifications

Case

6 specs

Diameter

37mm

29.6mm

Thickness

10.6mm

6.2mm

Lug-to-Lug

44.6mm

37.7mm

Lug Width

19mm

14mm

Material

Titanium

Stainless Steel

Water Resistance

100m

50m

Crystal & Dial

1 specs

AR Coating

Yes

Inner

Movement

1 specs

Caliber

9F62

6N01

Pricing

1 specs

MSRP

$4,100

$350

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