Which is cheaper, the Lum-Tec B66 Day Date or the Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic?

At MSRP the Lum-Tec B66 Day Date 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 B66 Day Date 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 B66 Day Date — a 2mm difference across the dial.

Which has better water resistance, the Lum-Tec B66 Day Date 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 B66 Day Date.

Side by side

Lum-Tec B66 Day DatevsMarathon 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 B66 Day Date

b66-day-date

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

B66 Day Date44mm

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

Power Reserve

B66 Day Date40h

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

Water Resistance

B66 Day Date100m

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

MSRP

B66 Day Date$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

Follow this matchup

Get a note when Lum-Tec B66 Day Date vs Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring