Which is cheaper, the Lum-Tec B64 Chronograph or the Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic?

At MSRP the Lum-Tec B64 Chronograph is the cheaper of the two at $545, against $3,250 for the Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic — a $2,705 gap before any retailer discounting.

Which is bigger, the Lum-Tec B64 Chronograph or the Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic?

The Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic wears larger at 46mm versus 44mm for the Lum-Tec B64 Chronograph — a 2mm difference across the dial.

Which has better water resistance, the Lum-Tec B64 Chronograph or the Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic?

The Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic is rated to 300m versus 100m for the Lum-Tec B64 Chronograph.

Side by side

Lum-Tec B64 ChronographvsMarathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic

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

Lum-Tec B64 Chronograph

b64-chronograph

MSRP $545

Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic

46mm-anthracite-large-divers-automatic-jdd

MSRP $3,250

At a glance

10 of 29 specs differ

Diameter

B64 Chronograph44mm

JDD (Jumbo Day/Date) Anthracite Diver's Automatic46mm

Power Reserve

B64 Chronograph40h

JDD (Jumbo Day/Date) Anthracite Diver's Automatic40h

Water Resistance

B64 Chronograph100m

JDD (Jumbo Day/Date) Anthracite Diver's Automatic300m

MSRP

B64 Chronograph$545

JDD (Jumbo Day/Date) Anthracite Diver's Automatic$3,250

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Crystal

Domed Sapphire

Sapphire

Dial Color

Standard

Anthracite

Movement

1 specs

Caliber

—

Sellita SW220-1

Pricing

1 specs

MSRP

$545

$3,250

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