Which is cheaper, the Lum-Tec B64 Chronograph or the Helgray Speedster (Racing Light Blue)?

At MSRP the Helgray Speedster (Racing Light Blue) is the cheaper of the two at $299, against $545 for the Lum-Tec B64 Chronograph — a $246 gap before any retailer discounting.

Which is bigger, the Lum-Tec B64 Chronograph or the Helgray Speedster (Racing Light Blue)?

The Lum-Tec B64 Chronograph wears larger at 44mm versus 39mm for the Helgray Speedster (Racing Light Blue) — a 5mm difference across the dial.

Which has better water resistance, the Lum-Tec B64 Chronograph or the Helgray Speedster (Racing Light Blue)?

The Lum-Tec B64 Chronograph is rated to 100m versus 30m for the Helgray Speedster (Racing Light Blue).

Side by side

Lum-Tec B64 ChronographvsHelgray Speedster (Racing Light Blue)

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

Lum-Tec B64 Chronograph

b64-chronograph

MSRP $545

Helgray Speedster (Racing Light Blue)

speedster-racing-light-blue

MSRP $299

At a glance

10 of 29 specs differ

Diameter

B64 Chronograph44mm

Speedster (Racing Light Blue)39mm

Power Reserve

B64 Chronograph40h

Speedster (Racing Light Blue)40h

Water Resistance

B64 Chronograph100m

Speedster (Racing Light Blue)30m

MSRP

B64 Chronograph$545

Speedster (Racing Light Blue)$299

Full specifications

Case

6 specs

Diameter

44mm

39mm

Thickness

—

12mm

Lug-to-Lug

51.5mm

46mm

Lug Width

22mm

20mm

Material

Titanium (DLC coated)

Stainless Steel

Water Resistance

100m

30m

Crystal & Dial

2 specs

Crystal

Domed Sapphire

Sapphire

Dial Color

Standard

Black

Movement

1 specs

Caliber

—

Miyota 6S21

Pricing

1 specs

MSRP

$545

$299

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