Which is cheaper, the Christopher Ward C65 Dune Aeolian or the Lum-Tec B66 Day Date?

At MSRP the Lum-Tec B66 Day Date is the cheaper of the two at $545, against $1,335 for the Christopher Ward C65 Dune Aeolian — a $790 gap before any retailer discounting.

Which is bigger, the Christopher Ward C65 Dune Aeolian or the Lum-Tec B66 Day Date?

The Lum-Tec B66 Day Date wears larger at 44mm versus 43.6mm for the Christopher Ward C65 Dune Aeolian — a 0.4mm difference across the dial.

Which has better water resistance, the Christopher Ward C65 Dune Aeolian or the Lum-Tec B66 Day Date?

The Christopher Ward C65 Dune Aeolian is rated to 150m versus 100m for the Lum-Tec B66 Day Date.

Which has a longer power reserve, the Christopher Ward C65 Dune Aeolian or the Lum-Tec B66 Day Date?

The Lum-Tec B66 Day Date carries a 40-hour power reserve against 38 hours on the Christopher Ward C65 Dune Aeolian.

Side by side

Christopher Ward C65 Dune AeolianvsLum-Tec B66 Day Date

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

Christopher Ward C65 Dune Aeolian

C65-38A3H4-S00B0-B0

MSRP $1,335

Lum-Tec B66 Day Date

b66-day-date

MSRP $545

At a glance

18 of 29 specs differ

Diameter

C65 Dune Aeolian43.6mm

B66 Day Date44mm

Power Reserve

C65 Dune Aeolian38h

B66 Day Date40h

Water Resistance

C65 Dune Aeolian150m

B66 Day Date100m

MSRP

C65 Dune Aeolian$1,335

B66 Day Date$545

Full specifications

Case

9 specs

Crystal & Dial

3 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Blue

Standard

Lume

SLN BL Grade X1

None

Movement

5 specs

Caliber

SW200

—

Beat Rate

4 vph

28,800 vph

Power Reserve

38h

40h

Jewels

Complications

Moonphase, Day-date

None

Pricing

1 specs

MSRP

$1,335

$545

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