Which is cheaper, the Lum-Tec B64 Chronograph or the Seiko Essentials Roman Numeral (Ladies)?

At MSRP the Seiko Essentials Roman Numeral (Ladies) is the cheaper of the two at $350, against $545 for the Lum-Tec B64 Chronograph — a $195 gap before any retailer discounting.

Which is bigger, the Lum-Tec B64 Chronograph or the Seiko Essentials Roman Numeral (Ladies)?

The Lum-Tec B64 Chronograph wears larger at 44mm versus 29.6mm for the Seiko Essentials Roman Numeral (Ladies) — a 14.4mm difference across the dial.

Which has better water resistance, the Lum-Tec B64 Chronograph or the Seiko Essentials Roman Numeral (Ladies)?

The Lum-Tec B64 Chronograph is rated to 100m versus 5m for the Seiko Essentials Roman Numeral (Ladies).

What movement does the Lum-Tec B64 Chronograph run compared to the Seiko Essentials Roman Numeral (Ladies)?

The Lum-Tec B64 Chronograph runs a automatic caliber, while the Seiko Essentials Roman Numeral (Ladies) runs a quartz (6N01).

Side by side

Lum-Tec B64 ChronographvsSeiko Essentials Roman Numeral (Ladies)

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

Lum-Tec B64 Chronograph

b64-chronograph

MSRP $545

Seiko Essentials Roman Numeral (Ladies)

sur609

MSRP $350

At a glance

12 of 29 specs differ

Diameter

B64 Chronograph44mm

Essentials Roman Numeral (Ladies)29.6mm

Power Reserve

B64 Chronograph40h

Essentials Roman Numeral (Ladies)40h

Water Resistance

B64 Chronograph100m

Essentials Roman Numeral (Ladies)50m

MSRP

B64 Chronograph$545

Essentials Roman Numeral (Ladies)$350

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Crystal

Domed Sapphire

Sapphire

Dial Color

Standard

Black

Movement

2 specs

Caliber

—

6N01

Type

Automatic

Quartz

Pricing

1 specs

MSRP

$545

$350

Follow this matchup

Get a note when Lum-Tec B64 Chronograph vs Seiko Essentials Roman Numeral (Ladies) gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring