Which is cheaper, the Lum-Tec B66 Day Date or the Marathon Steel Navigator SSNAV Auto?

At MSRP the Lum-Tec B66 Day Date is the cheaper of the two at $545, against $1,300 for the Marathon Steel Navigator SSNAV Auto — a $755 gap before any retailer discounting.

Which is bigger, the Lum-Tec B66 Day Date or the Marathon Steel Navigator SSNAV Auto?

The Lum-Tec B66 Day Date wears larger at 44mm versus 41mm for the Marathon Steel Navigator SSNAV Auto — a 3mm difference across the dial.

Which has better water resistance, the Lum-Tec B66 Day Date or the Marathon Steel Navigator SSNAV Auto?

The Lum-Tec B66 Day Date is rated to 100m versus 60m for the Marathon Steel Navigator SSNAV Auto.

Side by side

Lum-Tec B66 Day DatevsMarathon Steel Navigator SSNAV Auto

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 Steel Navigator SSNAV Auto

41mm-steel-navigator-automatic-ssnav-auto-on-ballistic-nylon

MSRP $1,300

At a glance

11 of 29 specs differ

Diameter

B66 Day Date44mm

Steel Navigator SSNAV Auto41mm

Power Reserve

B66 Day Date40h

Steel Navigator SSNAV Auto40h

Water Resistance

B66 Day Date100m

Steel Navigator SSNAV Auto60m

MSRP

B66 Day Date$545

Steel Navigator SSNAV Auto$1,300

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Crystal

Domed Sapphire

Sapphire

Dial Color

Standard

Black

Movement

1 specs

Caliber

—

Sellita SW200-1

Pricing

1 specs

MSRP

$545

$1,300

Follow this matchup

Get a note when Lum-Tec B66 Day Date vs Marathon Steel Navigator SSNAV Auto gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring