Which is cheaper, the Lum-Tec B64 Chronograph or the Orient SK Diver Retro (Revival)?

At MSRP the Orient SK Diver Retro (Revival) is the cheaper of the two at $325, against $545 for the Lum-Tec B64 Chronograph — a $220 gap before any retailer discounting.

Which is bigger, the Lum-Tec B64 Chronograph or the Orient SK Diver Retro (Revival)?

The Lum-Tec B64 Chronograph wears larger at 44mm versus 41.7mm for the Orient SK Diver Retro (Revival) — a 2.3mm difference across the dial.

Which has better water resistance, the Lum-Tec B64 Chronograph or the Orient SK Diver Retro (Revival)?

The Lum-Tec B64 Chronograph is rated to 100m versus 50m for the Orient SK Diver Retro (Revival).

Side by side

Lum-Tec B64 ChronographvsOrient SK Diver Retro (Revival)

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

Lum-Tec B64 Chronograph

b64-chronograph

MSRP $545

Orient SK Diver Retro (Revival)

ra-aa0b01g39b

MSRP $325

At a glance

17 of 29 specs differ

Diameter

B64 Chronograph44mm

SK Diver Retro (Revival)41.7mm

Power Reserve

B64 Chronograph40h

SK Diver Retro (Revival)40h

Water Resistance

B64 Chronograph100m

SK Diver Retro (Revival)50m

MSRP

B64 Chronograph$545

SK Diver Retro (Revival)$325

Full specifications

Case

7 specs

Crystal & Dial

5 specs

Crystal

Domed Sapphire

Mineral

Crystal Shape

Flat

—

AR Coating

Inner

—

Dial Color

Standard

Gold

Indices

Applied

—

Movement

4 specs

Caliber

—

F6922

Beat Rate

28,800 vph

21,600 vph

Jewels

Complications

None

Day-date

Pricing

1 specs

MSRP

$545

$325

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