Which is cheaper, the Lum-Tec B64 Chronograph or the Yema Navygraf Marine Nationale Quartz?

At MSRP the Yema Navygraf Marine Nationale Quartz is the cheaper of the two at $499, against $545 for the Lum-Tec B64 Chronograph — a $46 gap before any retailer discounting.

Which is bigger, the Lum-Tec B64 Chronograph or the Yema Navygraf Marine Nationale Quartz?

The Lum-Tec B64 Chronograph wears larger at 44mm versus 39mm for the Yema Navygraf Marine Nationale Quartz — a 5mm difference across the dial.

What movement does the Lum-Tec B64 Chronograph run compared to the Yema Navygraf Marine Nationale Quartz?

The Lum-Tec B64 Chronograph runs a automatic caliber, while the Yema Navygraf Marine Nationale Quartz runs a quartz.

Side by side

Lum-Tec B64 ChronographvsYema Navygraf Marine Nationale Quartz

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

Lum-Tec B64 Chronograph

b64-chronograph

MSRP $545

Yema Navygraf Marine Nationale Quartz

yema-navygraf-marine-nationale-quartz-ymhfmn39

MSRP $499

At a glance

9 of 29 specs differ

Diameter

B64 Chronograph44mm

Navygraf Marine Nationale Quartz39mm

Power Reserve

B64 Chronograph40h

Navygraf Marine Nationale Quartz40h

Water Resistance

B64 Chronograph100m

Navygraf Marine Nationale Quartz100m

MSRP

B64 Chronograph$545

Navygraf Marine Nationale Quartz$499

Full specifications

Case

6 specs

Crystal & Dial

1 specs

Crystal

Domed Sapphire

Sapphire

Movement

1 specs

Type

Automatic

Quartz

Pricing

1 specs

MSRP

$545

$499

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