Which is cheaper, the Lum-Tec B66 Day Date or the Orient M-Force AC0N?

At MSRP the Lum-Tec B66 Day Date is the cheaper of the two at $545, against $555 for the Orient M-Force AC0N — a $10 gap before any retailer discounting.

Which is bigger, the Lum-Tec B66 Day Date or the Orient M-Force AC0N?

The Orient M-Force AC0N wears larger at 45mm versus 44mm for the Lum-Tec B66 Day Date — a 1mm difference across the dial.

Which has better water resistance, the Lum-Tec B66 Day Date or the Orient M-Force AC0N?

The Orient M-Force AC0N is rated to 200m versus 100m for the Lum-Tec B66 Day Date.

Side by side

Lum-Tec B66 Day DatevsOrient M-Force AC0N

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

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Lum-Tec B66 Day Date

MSRP $545

See the full B66 Day Date

Orient M-Force AC0N

MSRP $555

See the full M-Force AC0N

At a glance

18 of 29 specs differ

Diameter

B66 Day Date44mm

M-Force AC0N45mm

Power Reserve

B66 Day Date—

M-Force AC0N40h

Water Resistance

B66 Day Date100m

M-Force AC0N200m

MSRP

B66 Day Date$545

M-Force AC0N$555

Full specifications

Case

7 specs

Crystal & Dial

3 specs

Crystal

Domed Sapphire

Sapphire

AR Coating

—

Underside

Dial Color

Standard

Green

Movement

7 specs

Caliber

—

F6727

Beat Rate

0 vph

21,600 vph

Power Reserve

40h

Jewels

Hacking

Yes

Hand-winding

Yes

Complications

None

Date

Pricing

1 specs

MSRP

$545

$555

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Lum-Tec B66 Day DatevsOrient M-Force AC0N

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