Which is cheaper, the Lum-Tec B64 Chronograph or the Spinnaker Challenger Automatic?

At MSRP the Spinnaker Challenger Automatic is the cheaper of the two at $289, against $545 for the Lum-Tec B64 Chronograph — a $256 gap before any retailer discounting.

Which is bigger, the Lum-Tec B64 Chronograph or the Spinnaker Challenger Automatic?

The Lum-Tec B64 Chronograph wears larger at 44mm versus 42mm for the Spinnaker Challenger Automatic — a 2mm difference across the dial.

Which has better water resistance, the Lum-Tec B64 Chronograph or the Spinnaker Challenger Automatic?

The Spinnaker Challenger Automatic is rated to 200m versus 100m for the Lum-Tec B64 Chronograph.

Side by side

Lum-Tec B64 ChronographvsSpinnaker Challenger Automatic

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

Lum-Tec B64 Chronograph

b64-chronograph

MSRP $545

Spinnaker Challenger Automatic

challenger-automatic-depth-blue-sp-5159-11

MSRP $289

At a glance

10 of 29 specs differ

Diameter

B64 Chronograph44mm

Challenger Automatic42mm

Power Reserve

B64 Chronograph40h

Challenger Automatic40h

Water Resistance

B64 Chronograph100m

Challenger Automatic200m

MSRP

B64 Chronograph$545

Challenger Automatic$289

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Crystal

Domed Sapphire

Sapphire

Dial Color

Standard

Blue

Movement

1 specs

Caliber

—

SII NH35A

Pricing

1 specs

MSRP

$545

$289

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