Which is cheaper, the Lum-Tec B64 Chronograph or the Tornek-Rayville Blakjak 12-hr GMT?

At MSRP the Lum-Tec B64 Chronograph is the cheaper of the two at $545, against $895 for the Tornek-Rayville Blakjak 12-hr GMT — a $350 gap before any retailer discounting.

Which is bigger, the Lum-Tec B64 Chronograph or the Tornek-Rayville Blakjak 12-hr GMT?

The Lum-Tec B64 Chronograph wears larger at 44mm versus 42.5mm for the Tornek-Rayville Blakjak 12-hr GMT — a 1.5mm difference across the dial.

Which has better water resistance, the Lum-Tec B64 Chronograph or the Tornek-Rayville Blakjak 12-hr GMT?

The Tornek-Rayville Blakjak 12-hr GMT is rated to 200m versus 100m for the Lum-Tec B64 Chronograph.

Which has a longer power reserve, the Lum-Tec B64 Chronograph or the Tornek-Rayville Blakjak 12-hr GMT?

The Tornek-Rayville Blakjak 12-hr GMT carries a 42-hour power reserve against 40 hours on the Lum-Tec B64 Chronograph.

Side by side

Lum-Tec B64 ChronographvsTornek-Rayville Blakjak 12-hr GMT

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

Lum-Tec B64 Chronograph

b64-chronograph

MSRP $545

Tornek-Rayville Blakjak 12-hr GMT

tr-type-7b-blakjak-12-hr-gmt-dlc-bgw9

MSRP $895

At a glance

13 of 29 specs differ

Diameter

B64 Chronograph44mm

Blakjak 12-hr GMT42.5mm

Power Reserve

B64 Chronograph40h

Blakjak 12-hr GMT42h

Water Resistance

B64 Chronograph100m

Blakjak 12-hr GMT200m

MSRP

B64 Chronograph$545

Blakjak 12-hr GMT$895

Full specifications

Case

6 specs

Crystal & Dial

4 specs

Crystal

Domed Sapphire

Sapphire

AR Coating

Inner

Yes

Dial Color

Standard

Black

Lume

None

Superluminova

Movement

2 specs

Caliber

—

SII NH36

Power Reserve

40h

42h

Pricing

1 specs

MSRP

$545

$895

Follow this matchup

Get a note when Lum-Tec B64 Chronograph vs Tornek-Rayville Blakjak 12-hr GMT gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring