Which is cheaper, the Lum-Tec Combat B73 or the Orient RA-AC0K Diver Watch?

At MSRP the Orient RA-AC0K Diver Watch is the cheaper of the two at $455, against $545 for the Lum-Tec Combat B73 — a $90 gap before any retailer discounting.

Which is bigger, the Lum-Tec Combat B73 or the Orient RA-AC0K Diver Watch?

The Orient RA-AC0K Diver Watch wears larger at 43.4mm versus 43mm for the Lum-Tec Combat B73 — a 0.4mm difference across the dial.

What movement does the Lum-Tec Combat B73 run compared to the Orient RA-AC0K Diver Watch?

Both watches run automatic movements — the Lum-Tec Combat B73 uses the Ronda 515 and the Orient RA-AC0K Diver Watch uses the Orient F6722.

Side by side

Lum-Tec Combat B73vsOrient RA-AC0K Diver Watch

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

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Lum-Tec Combat B73

combat-b73

MSRP $545

See the full Combat B73

Orient RA-AC0K Diver Watch

ra-ac0k01b30b

MSRP $455

See the full RA-AC0K Diver Watch

At a glance

13 of 29 specs differ

Diameter

Combat B7343mm

RA-AC0K Diver Watch43.4mm

Power Reserve

Combat B7340h

RA-AC0K Diver Watch40h

Water Resistance

Combat B73200m

RA-AC0K Diver Watch200m

MSRP

Combat B73$545

RA-AC0K Diver Watch$455

Full specifications

Case

4 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

—

AR Coating

Inner

—

Dial Color

—

Black

Indices

Applied

—

Movement

4 specs

Caliber

Ronda 515

Orient F6722

Beat Rate

28,800 vph

21,600 vph

Jewels

Complications

None

Date

Pricing

1 specs

MSRP

$545

$455

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Lum-Tec Combat B73vsOrient RA-AC0K Diver Watch

At a glance

Full specifications

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