Which is cheaper, the Grand Seiko SBGX363 or the Seiko Essentials Roman Numeral (Ladies)?

At MSRP the Seiko Essentials Roman Numeral (Ladies) is the cheaper of the two at $350, against $3,600 for the Grand Seiko SBGX363 — a $3,250 gap before any retailer discounting.

Which is bigger, the Grand Seiko SBGX363 or the Seiko Essentials Roman Numeral (Ladies)?

The Grand Seiko SBGX363 wears larger at 32.3mm versus 29.6mm for the Seiko Essentials Roman Numeral (Ladies) — a 2.7mm difference across the dial.

Which has better water resistance, the Grand Seiko SBGX363 or the Seiko Essentials Roman Numeral (Ladies)?

The Grand Seiko SBGX363 is rated to 100m versus 5m for the Seiko Essentials Roman Numeral (Ladies).

What movement does the Grand Seiko SBGX363 run compared to the Seiko Essentials Roman Numeral (Ladies)?

Both watches run quartz movements — the Grand Seiko SBGX363 uses the 9F51 and the Seiko Essentials Roman Numeral (Ladies) uses the 6N01.

Side by side

Grand Seiko SBGX363vsSeiko Essentials Roman Numeral (Ladies)

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

Grand Seiko SBGX363

sbgx363g

MSRP $3,600

Seiko Essentials Roman Numeral (Ladies)

sur609

MSRP $350

At a glance

8 of 29 specs differ

Diameter

SBGX36332.3mm

Essentials Roman Numeral (Ladies)29.6mm

Power Reserve

SBGX36340h

Essentials Roman Numeral (Ladies)40h

Water Resistance

SBGX363100m

Essentials Roman Numeral (Ladies)50m

MSRP

SBGX363$3,600

Essentials Roman Numeral (Ladies)$350

Full specifications

Case

5 specs

Diameter

32.3mm

29.6mm

Thickness

9mm

6.2mm

Lug-to-Lug

39mm

37.7mm

Lug Width

15mm

14mm

Water Resistance

100m

50m

Crystal & Dial

1 specs

AR Coating

Yes

Inner

Movement

1 specs

Caliber

9F51

6N01

Pricing

1 specs

MSRP

$3,600

$350

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